Durable indexable inserts for efficient metalcutting
Indexable inserts are hardened cutting elements designed to deliver consistent material removal in metalworking, providing cost-effective tool life management and repeatable results for turning, milling and drilling operations. Suited for machining steel, stainless and heat-resistant alloys, these inserts offer rapid edge renewal and reduced downtime through simple indexing, while versions optimised for internal coolant significantly improve chip control and thermal management in demanding applications. By choosing the right insert grade and geometry you gain improved tool life, predictable wear behaviour and better surface finish thanks to enhanced chip control, with key benefits including wear-resistant carbide, internal coolant compatibility and reliable chip breaking.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the ISO-standard geometry, CVD‑coated carbide T9225 and double‑sided chipbreaker for stable, economical turning performance; order via Metav Werkzeuge or consult our specialists for holder compatibility and process optimisation. CNMG120412 T9225 — CNMG ISO turning insert for medium-to-heavy steel turning by Tungaloy CNMG120412 T9225 is an ISO‑standard rhombic turning insert engineered for robust medium‑to‑heavy steel turning, offering a CVD‑coated carbide body and a double‑sided chipbreaker for reliable performance in variable cutting conditions ISO-standard rhombic geometry CVD-coated carbide T9225 grade Suited for medium-to-heavy steel turning Double-sided chipbreaker with cylindrical hole Consistent performance where cuts vary The CVD‑coated carbide composition and the T9225 grade prioritise toughness and flank stability, which is beneficial when engagement conditions change or when slight interruptions occur. The coating enhances wear resistance while the substrate maintains edge strength, so the insert delivers repeatable tool life and predictable machining results even under mixed cutting regimes. These material choices reduce the risk of premature edge failure and support longer tool cycles in serial production. Geometry that simplifies holder selection and seating Because the insert follows ISO‑standard dimensions, compatibility is determined by form, clearance angle (0°), tolerance class, fastening method, size and thickness. The rhombic shape with an included angle of 80° and a 1.2 mm corner radius provides a balance between strength and accessibility for external and internal turning. The standardised geometry means the insert can be seated in common ISO holders; however, matching the seat profile and clamp style is essential to ensure optimal contact and rigidity. Reliable chip control and secure clamping The double‑sided chipbreaker improves chip formation across a range of feeds and depths, aiding evacuation and reducing recutting. A cylindrical hole supports secure clamping and repeatable indexing; as the insert is double sided, two usable cutting positions are available, improving cost efficiency per edge. In combination with the coated surface, the chipbreaker design helps maintain surface finish and process stability, particularly in medium‑to‑heavy steel turning operations. Practical inventory and process advantages Using a universal grade such as T9225 simplifies tooling stocks since a single insert grade covers many common steel machining tasks. The insert’s 4.76 mm thickness and standard 12 mm size contribute to robust support in the toolholder, while the 1.2 mm corner radius offers a compromise between edge strength and finishing capability. For shops seeking predictable performance with minimal tool change complexity, this insert supports steady cycle times and easier planning of spare inserts. For robust medium‑to‑heavy steel turning applications, request the Tungaloy CNMG120412 T9225 insert via Metav Werkzeuge — Metav Werkzeuge’s specialists can advise on holder compatibility and process parameters; email info@metav-werkzeuge.com or call +49 2822 7131930 for tailored guidance Technical data Article number: 6781252 Manufacturer SKU: TUN6781252 Our SKU: 6781252-Tungaloy Series: ISO turning inserts Designation: CNMG120412 T9225 Tungaloy insert Core specifications Corner radius: 1.2 mm Inscribed circle / size: 12 mm Thickness: 4.76 mm Clearance angle: 0° Included angle: 80° Special features Material: CVD-coated carbide Grade: T9225 — robust universal for medium-to-heavy steel Shape: rhombic Hole: with cylindrical hole Chipbreaker: double-sided Application: turning FAQ What materials is this insert designed to machine? The insert is designed primarily for medium‑to‑heavy steel turning; the T9225 grade offers the toughness required for changing engagement and light interruptions common in steel machining. Which geometry and sizes are relevant for holder compatibility? Key geometry details include the 12 mm size, 4.76 mm thickness, 1.2 mm corner radius, 0° clearance angle and 80° included angle; compatibility is determined by these dimensions together with form and fastening. How does the chipbreaker influence machining results? The double‑sided chipbreaker improves chip formation and evacuation across a range of feeds, helping to maintain surface finish and process security during stable and variable cuts. Is the insert indexed and how many cutting edges are available per insert? The insert is double sided and typically provides two usable cutting edges per insert, which supports economical edge utilisation. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of a CVD-coated carbide grade that combines toughness and wear resistance with an ISO CNMG geometry engineered for process stability; the robust universal T9225 grade delivers consistent performance in medium to heavy steel turning and pairs reliably with standard ISO holders. Order directly via Metav Werkzeuge or consult the technical team for optimal chipbreaker and holder pairing. CNMG120412 T9225 ISO turning insert for turning — Tungaloy The CNMG120412 T9225 is an indexable turning insert optimised for medium to heavy steel turning, offering a robust universal grade and ISO CNMG geometry for reliable production use CVD-coated carbide grade T9225 ISO CNMG120412 rhombic geometry 1.2 mm corner radius for durable cutting Double-sided chipbreaker with cylindrical hole High-performance grade for variable steel turning The insert is made from CVD-coated carbide, specifically the T9225 grade, which is formulated to balance toughness and wear resistance for demanding work on medium to heavy steel. This composition reduces premature flank wear under fluctuating engagement conditions and during lightly interrupted cuts, so process stability is improved and tool change frequency is reduced. The result is a measurable improvement in productivity where consistent cycle times and repeatable surface finish are required. Precision geometry for secure clamping and repeatable results Designed to the ISO CNMG120412 form, the insert’s rhombic form and 80° cutting angle provide strong edge support and versatile clearance. Key dimensions such as the 1.2 mm corner radius, 4.76 mm thickness and the 12 mm inscribed circle ensure correct seat contact and stable cutting forces when used with compatible holders. The insert features a cylindrical hole and a double-sided chipbreaker, enabling economical indexing and straightforward clamping; compatibility depends on form, clearance angle, tolerance class, fastening method, size and thickness. Application advice and the benefit to production workflows For turning operations where varying engagement or interrupted cuts occur, selecting this robust universal grade minimises edge chipping and maintains surface quality with fewer interventions. The double-sided chipbreaker supports consistent chip control across a range of feeds, while the insert’s geometry supports both external and internal turning tasks. When paired with the appropriate holder and correct mounting practice, the component contributes to lower total tooling costs through extended life and reliable repeatability in serial production. Contact Metav Werkzeuge to discuss selecting the correct chipbreaker and holder combination for genuine Tungaloy CNMG120412 T9225 inserts; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6780920 Manufacturer SKU: TUN6780920 Model series: ISO turning indexable inserts Product name: CNMG120412 T9225 Tungaloy insert Material: Carbide Facts Inscribed circle: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Clearance angle: 0° Cutting angle: 80° Special features Grade: T9225 (robust universal grade) Coating: CVD-coated carbide Form: rhombic (CNMG) Hole: with hole, cylindrical style Chipbreaker: double-sided Typical application: turning (external and internal) Compatibility determined by form, clearance angle, tolerance class, fastening, size and thickness FAQ What materials is this insert suitable for? The CNMG120412 T9225 insert is designed primarily for medium to heavy steel machining and performs well where toughness and wear resistance are required. Can the insert be used for internal and external turning? Yes, the geometry and rhombic form allow the insert to be used for both external and internal turning operations when paired with appropriate holders. How does the T9225 grade affect tool life? The T9225 grade offers enhanced toughness and wear resistance, improving edge life under variable engagement and lightly interrupted cuts, which reduces downtime for index changes. What should be considered when selecting a holder? Ensure holder compatibility with ISO CNMG120412 form, the 0° clearance angle, the insert thickness and clamping method; correct seating and fastening are essential for process stability. Is the insert indexable and economical for production? Yes, the double-sided chipbreaker and the cylindrical hole facilitate economical indexing, helping to extend usable life and reduce tooling costs in serial production. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Robust CVD-coated carbide and a 1.2 mm corner radius deliver stable cutting under varying engagement; the rhombic CNMG geometry with an 80° lead angle supports reliable external and internal turning. Order or request advice via Metav Werkzeuge for compatible holders and clamping sets. CNMG 120412 T9225 — CNMG ISO turning insert for turning, CVD-coated carbide by Tungaloy The CNMG 120412 T9225 is an ISO-format rhombic indexable insert designed for medium-to-heavy steel turning, offering a robust CVD-coated carbide grade and a double-sided chipbreaker for versatile workshop use. CVD-coated carbide grade T9225 Suited for medium to heavy steel turning 80° lead angle for stable cutting Double-sided chipbreaker with cylindrical hole Precision and durability for robust turning operations The combination of a CVD-coated surface and the T9225 carbide grade provides a balance of wear resistance and toughness that is appropriate for mixed and interrupted cuts in steel. This indexable insert is engineered to maintain edge integrity under variable conditions, reducing unexpected tool changes and supporting consistent cycle times. The coating improves resistance to abrasive wear and built-up edge, while the substrate supplies the core toughness needed for heavier engagement depths, translating into fewer interruptions and steadier productivity. Geometry that supports stable machining and surface quality The rhombic CNMG shape, paired with an 80° lead angle and a compact 1.2 mm corner radius, reduces radial load peaks and increases insert rigidity during external turning. The insert’s 0° relief angle and a 4.76 mm thickness contribute to a solid seating in the pocket, while the 12 mm inscribed circle dimension governs reaching and overhang characteristics for different holders. These geometric choices help to maintain surface finish and repeatability, and they enable predictable toolpath planning for both roughing and finishing passes. Compatibility, handling and application guidance This insert conforms to ISO standards for turning inserts and is compatible with ISO holders when the form, relief angle, tolerance class, fastening method, size and thickness are matched. A typical system comprises the ISO insert, a suitable external holder or boring bar, a clamping pad/kit and replacement screws. The double-sided design with a cylindrical hole allows indexation for efficient tool life use; the chipbreaker should be selected according to material, cut type and machine stability. If unsure about holder matching or parameter setup, the technical team can provide guidance. Production benefits and inventory simplification Selecting a universal, robust grade such as T9225 reduces the need for multiple specialised grades, simplifying inventory and offering economic advantages over time. The insert’s construction supports process stability and can extend periods between tool interventions. For operations requiring flexible response to interrupted cuts or mixed batch work, this solution minimises downtime and helps to keep production schedules reliable. For technical queries or to verify suitability for a particular application, Metav Werkzeuge provides specification support and machining recommendations. Contact Metav Werkzeuge for tailored guidance on Tungaloy turning inserts and to confirm holder compatibility with the CNMG 120412 T9225; technical data and ordering support are available via Metav Werkzeuge. Technical data Article number: 6781266 Manufacturer SKU: TUN6781266 Model series: ISO turning inserts Designation: CNMG120412 Manufacturer item no: 6781266 Facts Insert size (inscribed circle): 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Lead angle: 80° Relief angle: 0° Hole style: cylindrical hole Special features Material: cemented carbide Grade/coating: T9225 (CVD-coated) Chipbreaker: double-sided Plate shape: rhombic Application: turning System components: insert, holder, clamping pad/kits, replacement screws FAQ What workpiece materials is this insert intended for? The CNMG 120412 T9225 insert is designed primarily for medium-to-heavy steel machining and performs well under mixed engagement and slightly interrupted cuts. Is this insert suitable for interrupted cutting conditions? Yes; the T9225 grade’s toughness and the robust carbide substrate make the insert appropriate for interrupted cuts and variable engagement. How is the insert secured in the holder? The insert uses a cylindrical hole for clamping and is compatible with ISO-standard holders when size, thickness and relief match the pocket; the system typically includes a clamping pad and screws. What are the key geometric values to consider when selecting a holder? Consider the 12 mm inscribed circle, 4.76 mm thickness, 1.2 mm corner radius and 80° lead angle to ensure correct seating and cutting geometry. Which chipbreaker and grade selection is recommended for different tasks? The double-sided chipbreaker suits general turning; for finer finishing or specific materials, choose the chipbreaker and cutting parameters according to stability, material and required surface quality—Tungaloy’s T9225 is a strong universal choice for steel. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the combination of stable cutting performance, broad material suitability and straightforward indexability for continuous turning operations; order directly via Metav Werkzeuge or consult our specialists for selection support. CNMG 120412 T9225 indexable insert for turning by Tungaloy A robust CNMG120412 T9225 ISO indexable turning insert designed for medium to heavy steel machining, offering CVD-coated carbide and an 80° rhombic geometry for stable cuts. CNMG 80° rhombic insert, 4.76 mm thick CVD-coated carbide, grade T9225 Double-sided chipbreaker, cylindrical hole Corner radius 1.2 mm for robust edge Maximised productivity for medium-to-heavy turning The combination of a CVD-coated carbide substrate and the T9225 grade delivers a balance of toughness and wear resistance that suits interrupted cuts and variable cutting conditions. This results in fewer insert changes and longer tool cycles, which increases machine uptime and reduces fixture change frequency. The rhombic 80° geometry concentrates cutting forces favourably for external and internal turning, which supports consistent dimensional control even under heavier feeds. Reliable edge life and predictable surface finish A 1.2 mm corner radius contributes to a robust cutting edge that tolerates increased depth of cut without premature chipping. The double-sided chipbreaker design promotes controlled chip formation and evacuation, reducing the risk of built-up edge on the rake face and improving surface integrity. For shops moving from general-purpose grades to a more resilient solution, this carbide combination reduces unscheduled stops and helps maintain repeatable surface quality in serial production. Versatile compatibility with ISO toolholders and workpieces Designed as an ISO CNMG120412 insert, the geometry and dimensions—including a 4.76 mm thickness and a cylindrical locating hole—ensure compatibility with standard CNMG toolholders when form, clearance angle, tolerance class, fastening and size match. The insert’s universal character makes it suitable across a wide range of steels; select the chipbreaker and grade to match feed, depth and stability for optimal results. The technical fit simplifies inventory management by aligning with common holder systems. Practical handling and integration into machining processes The rhombic shape and central hole support secure clamping and quick indexability on the seat, enabling fast presentation of fresh cutting edges. The CVD coating reduces flank wear at elevated temperatures, permitting higher cutting speeds compared with uncoated grades under comparable conditions. For operations requiring predictable cycle times, the insert’s construction supports consistent tool life and easier process parameter calculation, helping planners define cutting data with greater confidence. For reliable medium-to-heavy turning performance, choose the Tungaloy T9225 CVD-coated insert and contact Metav Werkzeuge for ordering or technical guidance at info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: 6780917 SKU: 6780917-Tungaloy Manufacturer SKU: TUN6780917 Material: carbide Coating: CVD Grade: T9225 Facts Shape: rhombic, 80° included angle Size: 12 (designation ISO 120412) Thickness: 4.76 mm Corner radius: 1.2 mm Clearance angle: 0° Hole: with cylindrical hole Special features Double-sided chipbreaker ISO indexable turning insert series Intended use: turning (external and internal) Suitable for medium to heavy steel machining FAQ What materials is this insert suitable for? The CNMG120412 T9225 Tungaloy indexable insert (SKU 6780917-Tungaloy) is formulated primarily for steel machining in medium to heavy applications; the T9225 grade offers toughness for varied engagement conditions. How does the CVD coating benefit cutting performance? The CVD-coated carbide on the CNMG120412 reduces flank and crater wear at elevated temperatures, enabling higher cutting speeds and improved tool life compared with uncoated substrates. Is the insert compatible with standard CNMG toolholders? Compatibility depends on matching form, clearance angle, tolerance class, fastening method, size and thickness; the CNMG120412 geometry aligns with common CNMG holders when those parameters are correct. What advantage does the 1.2 mm corner radius provide? A 1.2 mm corner radius enhances edge robustness, allowing increased depth of cut with lower risk of chipping and offering improved stability for heavy-duty turning operations. How does the double-sided chipbreaker help in machining? The double-sided chipbreaker promotes consistent chip formation and evacuation, reducing built-up edge and aiding surface finish while supporting indexability to present a fresh cutting edge when required. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the T9225 CVD-coated carbide grade combined with the CNMG120412 geometry for robust performance in medium to heavy steel turning; compatibility with ISO holders and a secure clamping system ensures stable productivity. Order directly via Metav Werkzeuge or request application advice from our technical consultants. CNMG120412 T9225 turning insert by Tungaloy — robust CVD-coated carbide for turning CNMG120412 T9225 is an ISO‑standard indexable insert for general turning, engineered for medium to heavy steel machining where intermittent cuts or varying engagement demand increased toughness and reliable edge stability. CNMG120412 geometry for versatile turning T9225 CVD-coated carbide for medium-heavy steel Double-sided chipbreaker for interrupted cuts Rhombic insert with 1.2 mm corner radius Reliable performance for medium-to-heavy steel turning The CNMG120412 insert is specified in a T9225 grade that combines a wear-resistant CVD coating with a tough carbide substrate, optimised for medium to heavy steel applications. This pairing delivers a balance between edge stability and fracture resistance, so tool life remains predictable even under variable engagement. As a result, throughput and process reliability improve, making the insert suitable for productive roughing and semi-finishing operations where consistent material removal is essential. Consistent chip control for interrupted and variable cuts A double-sided chipbreaker is integrated to manage chips effectively across a range of cutting conditions. In practice, the breaker reduces the risk of long, stringy chips and supports stable evacuation when dealing with interrupted cuts, improving surface quality and reducing secondary handling. The combination of chip geometry and the CVD surface treatment enhances chip control, which translates into longer uninterrupted runs and fewer machine stops for cleaning or rework. Designed for secure, ISO‑compatible assembly and repeatable results The insert complies with ISO form and dimensions, allowing mounting in standard ISO-compatible holders. Compatibility with a holder depends on form, 0° clearance, tolerance class, fastening method, size and 4.76 mm thickness, so pairing with a matching external holder or boring bar and the correct shim/clamp set is essential for achieving repeatable concentricity. The 80° main cutting angle and 1.2 mm radius support robust engagement and permit higher depths of cut than sharper radii, improving material removal rates where rigidity allows. Practical range of uses and predictable tool life With a rhombic plate shape and a cylindrical hole for secure fastening, the insert is double-sided and can be indexed to present a fresh cutting edge, lowering running costs per part. The CVD-coated carbide substrate provides surface protection and thermal resistance, which helps maintain the cutting edge during longer cycles. The insert forms part of a simple system: an ISO insert, matching external holder or boring bar, shims/clamps and replacement screws — a configuration that supports straightforward inventory and rapid replacement on the shop floor. For application support or to check stock and compatibility with existing toolholders, contact Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930 for expert advice on Tungaloy T9225 inserts and system recommendations. Technical data Article number: 6780757 Manufacturer SKU: TUN6780757 SKU: 6780757-Tungaloy Model series: ISO turning inserts Material: carbide Coating: CVD Numbers / Core technical data Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 Main cutting angle: 80° Clearance angle: 0° Special features / Versions Designation: CNMG120412 Grade: T9225 Plate form: rhombic Hole: with cylindrical hole Chipbreaker: double-sided Intended use: turning (external and internal) System components: ISO insert, external holder/boring bar, shim/clamping set, replacement screws FAQ What materials is this insert designed for? The Tungaloy CNMG120412 T9225 insert is optimised for medium to heavy steel machining; the CVD-coated carbide substrate provides wear resistance for demanding steel turning tasks. Is the insert compatible with standard ISO holders? Yes. The CNMG120412 geometry adheres to ISO dimensions; compatibility depends on holder form, clearance, tolerance class, fastening and plate thickness (4.76 mm), so a matching ISO holder is required. Can this insert cope with interrupted cuts? The double-sided chipbreaker and the tough T9225 grade are designed to handle intermittent engagement and variable cutting conditions effectively. How does the 1.2 mm radius affect cutting performance? A 1.2 mm corner radius increases edge robustness and allows higher depths of cut compared with smaller radii, improving material removal when machine and setup rigidity permit. What is the manufacturer article number and SKU for ordering? Manufacturer article number 6780757; SKU 6780757-Tungaloy; Manufacturer SKU TUN6780757. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the combination of a robust CVD-coated carbide grade, precise ISO geometry and secure clamping for consistent turning productivity; order the insert directly via Metav Werkzeuge or request application advice from our consultants. CNMG 120412 T9225 (Indexable insert) — CVD-coated carbide, 1.2 mm corner radius — Tungaloy CNMG 120412 T9225 is a rhombic ISO indexable insert designed for medium to heavy turning operations, offering a universal, tough grade suitable where interrupted cuts or variable engagement demand increased fracture resistance ISO rhombic insert CNMG 120412 CVD-coated carbide grade T9225 Corner radius 1.2 mm for stable cutting Double-sided insert with cylindrical hole Consistent performance for medium to heavy turning The CVD-coated T9225 grade is formulated as a robust universal solution for demanding steel turning. Its balance of hardness and toughness extends tool life under variable cutting conditions, so material removal rates can be maintained without frequent index changes. The combination of a wear-resistant coating and a stable carbide substrate reduces flank wear and microchipping, which in turn leads to longer productive cycles and fewer unscheduled tool changes. This creates measurable efficiency gains on batch and single-piece production alike. Secure fit and predictable compatibility with holders Compatibility with tool holders is determined by form, relief, tolerance class, fastening method, size and thickness; the ISO geometry simplifies selection and replacement. The rhombic shape and cylindrical hole ensure positive location and secure clamping, while the double-sided design allows economical use of both cutting edges. The insert’s 0° relief and defined corner radius 1.2 mm deliver predictable engagement behaviour, reducing vibration and supporting stable machining when used with appropriately rated external holders and boring bars. Practical selection and application guidance for reliable results For practical use select the chipbreaker and grade to match workpiece material and machining stability: the double-sided chipbreaker design supports both roughing and finishing passes depending on cutting parameters. In unstable set-ups or interrupted cuts the toughness of T9225 helps prevent premature edge failure. When choosing feeds and speeds, favour slightly reduced values on marginal clamping or long overhangs to exploit the insert’s wear resistance while limiting thermal shock. Clear compatibility checks and correct torque on the clamping screw will maintain repeatable performance and reduce downtime. For reliable turning with Tungaloy’s CVD-coated T9225 grade, contact Metav Werkzeuge for tailored application advice at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6781291 Manufacturer SKU: TUN6781291 Model series: ISO turning indexable inserts Material: Carbide Grade: T9225 Facts Corner radius: 1.2 mm Relief angle: 0° Insert thickness: 4.76 mm Insert size: 12 mm Included hole: with hole (cylindrical) Main angle: 80° Special features Rhombic insert shape (CNMG) CVD-coated carbide Double-sided chipbreaker Suitable for medium to heavy steel turning Compatibility determined by form, clearance, tolerance, fastening, size and thickness FAQ Which materials is this insert suitable for? The Tungaloy CNMG 120412 T9225 insert is intended primarily for medium to heavy steel turning and performs well where increased toughness is needed for interrupted or varying engagement cuts. Is the insert reversible and how is it fixed? Yes, the insert is double-sided and designed for use with a cylindrical-hole clamping system; secure fixing is achieved via the matching holder, clamping plate and screw. What are the key dimensions to check for holder compatibility? Check ISO geometry CNMG 120412, corner radius 1.2 mm, insert thickness 4.76 mm, hole style (cylindrical) and the relief angle to ensure precise fit with the chosen external holder. Can this grade handle interrupted cuts or unstable conditions? The T9225 grade is engineered as a tough universal option; its CVD-coated surface and carbide body provide enhanced resistance to chipping during interrupted cuts and marginal stability. How should the chipbreaker be selected for a job? Select the chipbreaker variant according to the material, depth of cut and stability; the double-sided chipbreaker on this insert offers flexibility for both higher-feed roughing and controlled finishing passes. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the combination of CVD-coated carbide toughness, ISO-standard geometry and secure clamping for dependable medium to heavy steel turning; order the insert directly via Metav Werkzeuge or contact the consultants for application advice. CNMG120412 T9225 CNMG turning insert – CVD-coated carbide, 80° rhombic (Tungaloy) The CNMG120412 T9225 is an ISO-standard turning insert for external and internal turning, designed as a robust universal grade for medium to heavy steel machining with a resilient CVD coating. CVD-coated carbide grade T9225 80° rhombic geometry with 1.2 mm nose radius Double-sided chipbreaker, cylindrical hole 4.76 mm plate thickness for secure clamping Consistent cutting performance through a high‑quality CVD coating The central advantage of the CNMG120412 T9225 lies in its CVD-coated carbide substrate, which combines surface hardness with core toughness. The T9225 grade is formulated for medium to heavy steel applications where variable engagement or light interruptions demand increased fracture resistance. This results in longer tool life under fluctuating conditions and fewer insert changes, supporting steady production cycles and predictable maintenance intervals. The coating also improves wear resistance and helps maintain edge geometry for consistent component quality. ISO geometry that simplifies toolholder matching and inventory Adherence to the ISO CNMG format ensures straightforward compatibility with standard external holders and boring bars; compatibility is controlled by form, clearance angle, tolerance class, clamping arrangement, size and thickness. The 80° rhombic shape and 4.76 mm plate thickness facilitate reliable clamping and allow reversible use thanks to the double-sided design. The cylindrical locating hole provides positive seating, reducing setup variability and enabling repeatable positioning when changing inserts, which supports faster tool changes and reduced downtime. Stable cutting edge and improved surface finish with 1.2 mm nose radius A 1.2 mm nose radius offers a practical compromise between edge strength and surface quality for many turning operations. The larger radius contributes to process stability, absorbing minor variations in feed and depth of cut while reducing the tendency to produce chatter on semi-rigid setups. When matched with the appropriate chipbreaker and cutting parameters, this geometry promotes a consistent surface finish and repeatable dimensional accuracy across batches, making it well suited to both single-part machining and small-series production. System-level guidance for practical implementation In practice, the insert functions as part of a system: an ISO insert, a compatible external holder or boring bar, a shim/seat and the appropriate clamping screw. Selecting the double-sided chipbreaker and the T9225 grade according to workpiece material and stability of the setup yields the best results. For heavily interrupted cuts or unstable setups, the T9225 grade’s enhanced toughness is beneficial; for purely finish-critical work, consider optimising feeds and speeds to complement the insert’s geometry. The ISO-series designation simplifies stock management and allows straightforward substitution within the same holder family. For Tungaloy reliability and CVD-coated performance, contact Metav Werkzeuge for stock availability and tailored machining recommendations at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6780663 Manufacturer SKU: TUN6780663 SKU: 6780663-Tungaloy Numbers / Core technical data Plate designation: CNMG120412 Plate size: 12 mm Plate thickness: 4.76 mm Nose radius: 1.2 mm Clearance angle: 0° Main angle: 80° Designs / Special features Material: carbide Coating: CVD-coated Grade: T9225 Plate shape: rhombic Hole: with cylindrical hole Chipbreaker: double-sided Model series: ISO turning inserts Application: turning (external and internal) FAQ What materials is this insert suitable for? The CNMG120412 T9225 insert is specified for medium to heavy steel machining; the T9225 grade delivers the toughness required for varying engagement and lightly interrupted cuts. How does the CVD coating benefit production? A CVD-coated carbide insert like this one provides improved wear resistance and edge stability, which extends service life and supports consistent component quality during longer production runs. Will this insert fit existing CNMG toolholders? Yes; the ISO CNMG geometry, 80° rhombic form and defined thickness ensure compatibility with standard CNMG external holders when the holder matches size, clearance and clamping specifications. Can the insert be used on internal turning? The insert is suitable for both external and internal turning when installed in appropriate boring bars or holders compatible with CNMG inserts. Is the insert reversible and what advantage does that offer? The double-sided insert design permits rotation to a fresh cutting edge, effectively doubling the available edges and reducing inventory turnover time for replacements. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the combination of an ISO CNMG120412 geometry, a CVD‑coated carbide substrate and the robust T9225 grade for consistently productive turning of steel; compatibility with standard ISO holders ensures simple integration into existing tool systems. Order the insert via Metav Werkzeuge or contact the consultants for application support. CNMG120412 T9225 — ISO turning insert for medium to heavy steel, Tungaloy CNMG120412 T9225 Tungaloy-Wendeplatte is an ISO‑standard turning insert suited to external and internal turning where changing engagement conditions or light interruptions demand higher toughness. CVD-coated carbide for robust wear resistance Universal grade T9225 for medium to heavy steel ISO CNMG120412 shape for broad compatibility Double-sided chipbreaker with central cylindrical hole Productive turning with a universal, tough grade The insert is delivered in the T9225 grade, a CVD‑coated carbide designed as a universal solution for medium to heavy steel machining. This composition balances hardness and toughness so that stability in the cut is maintained even when engagement varies or slight interruptions occur; the result is longer tool life and fewer indexings. The coated surface increases thermal resistance and reduces adhesion, which helps to avoid built‑up edge formation and maintain consistent surface finish when turning steel. Precision geometry that fits standard systems As an ISO CNMG120412 insert, the geometry follows international standards and therefore integrates easily with compatible external holders and boring bars. The rhombic shape and 80° approach angle provide good access for both external and internal turning, while the 1.2 mm corner radius supports stable cutting at moderate feeds. Important interface parameters such as form, clearance angle (0°), tolerance class, fastening and plate thickness (4.76 mm) determine correct holder selection; matching these values ensures secure clamping and repeatable cutting performance. Operational benefits for everyday workshop demands The double‑sided chipbreaker and the central cylindrical hole enable reliable indexing and economical use of both cutting edges. For workshop workflows this translates into fewer tool changes and predictable process times when machining steel components. The insert suits typical turning tasks — roughing and semi‑finishing — where process reliability and consistent surface quality matter. The CVD coating contributes to improved edge life under thermal load, while the substrate composition maintains a robust cutting edge for interrupted cuts. Contact Metav Werkzeuge today for tailored advice on integrating the Tungaloy CNMG120412 T9225 insert into production and to request the item by SKU; eMail: info@metav-werkzeuge.com — Phone: +49 2822 7131930 Technical Data Article number: 6780940 SKU: 6780940-Tungaloy Manufacturer SKU: TUN6780940 Model series: ISO-Drehwendeschneidplatten Name: CNMG120412 T9225 Tungaloy-Wendeplatte Material: Carbide Facts Corner radius: 1.2 mm Thickness: 4.76 mm Insert size: 12 mm Clearance angle: 0° Approach angle: 80° Special features Grade: T9225 Coating: CVD Chipbreaker: double-sided Centre hole: cylindrical hole for secure clamping Shape: rhombic Typical application: Turning System: ISO insert compatible with matching holders FAQ Which materials is this insert best suited for? The CNMG120412 T9225 Tungaloy insert is optimised for steel machining, particularly medium to heavy grades, and performs well under slightly interrupted cuts thanks to its toughness and CVD coating. What holder specifications are required for this insert? Holders must accept an ISO CNMG insert with a 12 mm size, 4.76 mm thickness and 0° clearance angle; correct form, tolerance class and fastening ensure secure mounting of the CNMG120412 insert. Is the insert single‑use or indexable? This is a double‑sided indexable insert with a central cylindrical hole, allowing rotation and reuse of both cutting edges for economical edge utilisation. How does the CVD coating affect performance? The CVD coating improves thermal stability and wear resistance, reducing adhesion and built‑up edge; combined with the carbide substrate it yields a reliable cutting edge life under turning conditions. What cutting tasks is the corner radius suitable for? The 1.2 mm corner radius is suitable for general turning and semi‑finishing applications, providing a balance between edge strength and achievable surface finish. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the combination of CVD‑coated cemented carbide grade T9225, ISO conformity and a double‑sided chipbreaker for stable, productive turning of steel. Secure supply and expert advice are available through Metav Werkzeuge if further consultation is required. CNMG 120412 T9225 — Indexable turning insert, CVD‑coated carbide (Tungaloy) A CNMG120412 T9225 indexable turning insert designed for medium to heavy steel turning in external and internal operations, offering robust chip control and ISO compatibility. CVD-coated cemented carbide T9225 ISO-sized CNMG120412 compatibility 80° rhombic shape, 1.2 mm corner radius Double-sided chipbreaker with cylindrical hole 4.76 mm thickness for stable cutting Consistent cutting performance for demanding steel turning The CNMG120412 T9225 insert is engineered for repeatable, reliable machining where interrupted cuts or variable engagement demand toughness rather than extreme hardness. The CVD‑coated surface improves wear resistance while the cemented carbide substrate provides the fracture toughness required for medium to heavy machining of steel. This combination reduces flank wear and extends effective tool life, which translates into fewer indexings and lower tool change frequency. The result is a more predictable production flow and improved process security in series and batch turning operations. Secure clamping and broad holder compatibility to reduce setup time ISO standardisation ensures straightforward interchangeability: compatibility is determined by form, clearance angle, tolerance class, fastening style, size and thickness. The insert’s 80° rhombic geometry and 1.2 mm corner radius give a balance between strength and finish, while the cylindrical hole supports positive locating in a wide range of external holders and boring bars. The double‑sided design and 4.76 mm plate thickness contribute to clamping stability, reducing vibration and enabling higher metal removal rates with consistent surface quality. Clear specification of holder and shim geometry avoids guesswork during tool setup. Practical system advantages and application guidance This insert is part of an ISO system comprising the indexable insert, a compatible external holder or boring bar, a shim/clamping set and spare fixing screws. The double‑sided chipbreaker offers effective chip control, particularly when paired with appropriate coolant and cutting parameters for steel; select the chipbreaker and grade to match workpiece material and machining stability. For turning tasks where robustness and versatility are priorities—external or internal turning of steel components, roughing passes or semi‑finishing—the grade’s balance of toughness and wear resistance supports extended tool life and process reliability. Where higher surface finish is required, adjust feed and depth of cut rather than changing to a softer grade, preserving overall economy. For tailored recommendations on toolholders, suitable cutting parameters and supply of Tungaloy inserts, contact Metav Werkzeuge by e‑mail at info@metav-werkzeuge.com or by phone at +49 2822 7131930 — Metav Werkzeuge is ready to advise on the best configuration for specific turning applications. Technical data Article number: 6780827 Manufacturer SKU: TUN6780827 Supplier SKU: 6780827-Tungaloy Description: CNMG120412 T9225 Tungaloy indexable insert Series: ISO turning indexable inserts Material: cemented carbide Grade/coating: T9225 (CVD‑coated) Facts Inscribed circle / size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Relief / clearance angle: 0° Included angle: 80° Special features Double-sided chipbreaker Cylindrical locating hole Rhombic plate form With hole for positive locating Suitable for external and internal turning Robust universal grade for medium to heavy steel machining System components: insert, holder/boring bar, shim/clamping set, spare screws FAQ What materials is this insert best suited for? The CNMG120412 T9225 indexable insert from Tungaloy is a robust universal grade designed primarily for steel machining, especially medium to heavy turning where variable engagement or slight interruptions occur (SKU: 6780827-Tungaloy). Is this insert compatible with standard CNMG holders? Yes. The insert follows ISO CNMG dimensions and fits standard CNMG holders when the holder matches form, clearance angle, tolerance class, fastening and thickness; the cylindrical hole supports positive locating. How does the T9225 grade affect machining performance? The T9225 grade, with its CVD coating on a cemented carbide substrate, provides a balance of wear resistance and toughness, improving tool life under mixed or interrupted cutting conditions and enhancing process stability. Can this insert be used for finishing operations? While optimised for medium to heavy machining and roughing, the insert can produce acceptable finishes when using lower feeds and lighter depths of cut; for finer surface quality consider adjusting parameters or selecting an insert grade tailored for finishing. What system components are recommended when ordering this insert? A complete system typically includes the ISO CNMG insert, a matching external holder or boring bar, a shim/clamping set and spare fixing screws to ensure correct clamping and alignment. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of the CVD-coated T9225 grade and a 1.2 mm corner radius for reliable medium-to-heavy steel turning; order the CNMG120412 ISO indexable inserts from Metav Werkzeuge or consult their specialists for matching holder recommendations and fast delivery. CNMG120412 T9225 — CNMG ISO rhombic indexable insert for turning by Tungaloy, CVD-coated carbide, 80° cutting geometry The CNMG120412 is an ISO-format rhombic indexable insert designed for external and internal turning, offering a robust universal grade for variable engagement conditions and interrupted cuts. ISO CNMG geometry, 80° cutting edge CVD-coated carbide grade T9225 for steel 1.2 mm corner radius for robust cutting Double-sided insert with cylindrical hole Longer tool life and consistent performance for medium-to-heavy steel machining The CVD-coated T9225 grade combines a wear-resistant coating with a tough carbide substrate to balance hardness and fracture resistance. This composition delivers improved tool life where cutting conditions change or light interruptions occur, because the coating reduces abrasive wear while the substrate maintains edge stability. For process planners, the result is predictable performance during longer production runs and fewer unscheduled tool changes, which supports higher machine uptime and more consistent part quality. Clear compatibility criteria reduce set-up uncertainty at the machine Compatibility with a holder is governed by the ISO geometry, relief angle (0°), tolerance class, clamping method, size and thickness. The insert’s 4.76 mm thickness, 12 mm inscribed size and rhombic form match standard CNMG seats; the cylindrical hole supports secure clamping in many conventional toolholders. Specifying holders that conform to these parameters ensures correct seating and torque distribution, which reduces the risk of chipping and stabilises cutting forces — a decisive factor when switching between different machines or clamping systems. Practical machining advantages: chip control, reversibility and application scope The insert’s double-sided design and integrated chipbreaker concept provide economical indexability and consistent chip control under varying cutting depths. For shopfloor engineers, this means fewer insert changes and simplified inventory management, while the 1.2 mm corner radius supports robust engagement for shoulder and heavy turning passes without sacrificing surface finish. Intended for turning steel components, the geometry and grade suit both external and internal operations where reliable edge strength and repeatability are priorities. For reliable medium-to-heavy steel turning with Tungaloy’s T9225 grade, contact Metav Werkzeuge for tailored holder recommendations and prompt supply by email at info@metav-werkzeuge.com or phone on +49 2822 7131930 Technical Data Manufacturer: Tungaloy Manufacturer article number: 6796029 Manufacturer SKU: TUN6796029 Model series: ISO turning indexable inserts Geometry designation: CNMG120412 Facts Cutting angle: 80° Corner radius: 1.2 mm Thickness: 4.76 mm Size: 12 (inscribed circle) Relief angle: 0° Special features CVD-coated carbide grade T9225 Double-sided with double-sided chipbreaker Cylindrical hole for clamping Rhombic plate form for CNMG holders Intended application: Turning (external and internal) Robust universal grade for medium-to-heavy steel and interrupted cuts FAQ What materials is this insert suitable for? The CNMG120412 T9225 indexable insert by Tungaloy is optimised for medium-to-heavy steel machining; the CVD-coated T9225 grade provides toughness for variable engagement and light interruptions. Which holders are compatible with the CNMG120412 insert? Compatibility requires a holder designed for CNMG geometry with matching seat form, clamping method, tolerance class, 0° relief accommodation, and dimensions for a 12-size, 4.76 mm thick insert; confirm the holder matches these parameters. Is the insert reversible and does it have a chipbreaker? Yes, the insert is double-sided and features a chipbreaker on both faces, enabling indexable reversibility and extended tool life before replacement. What operations is this insert intended for? The CNMG120412 Tungaloy insert is intended for external and internal turning, where a robust edge and good chip control are required for medium-to-heavy steel work. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Benefit from the combination of a CVD-coated carbide grade and ISO compatibility for consistent productivity and extended tool life; the robust design and indexable double-sided format reduce tooling costs and downtime. Order the insert directly via Metav Werkzeuge or consult our specialists for optimal holder and chipbreaker selection. CNMG 120412 T9225 — CNMG turning insert for turning by Tungaloy A CNMG120412 T9225 ISO turning insert engineered for external and internal turning, offering a robust universal grade for medium to heavy steel machining. CVD-coated carbide T9225 Universal grade for medium to heavy steel 1.2 mm corner radius, 80° rhombic Double-sided chipbreaker, cylindrical hole Reliable wear resistance and stable cutting performance The CVD-coated carbide composition of this insert delivers improved edge stability and wear resistance compared with uncoated grades, which translates into more predictable tool life and fewer changeovers. As a robust universal grade, T9225 balances toughness and hardness to cope with varied cut interruptions and slightly changing engagement conditions; this results in a steady surface finish and reduced scrap rates. The 1.2 mm corner radius provides enhanced edge strength while the 80° rhombic form supports consistent cutting geometry, helping to maintain dimensional accuracy on shafts and bore faces. Cost efficiency through smart design and ISO compatibility The insert’s ISO format and standard dimensions ensure ISO compatibility with a wide range of toolholders, simplifying inventory management and holder selection. The double-sided, indexable design halves the effective cost per cutting edge and speeds up routine maintenance, while the 4.76 mm thickness and rhombic profile increase mechanical stiffness for heavy cuts. The double-sided chipbreaker promotes repeatable chip formation; by controlling chip shape it lowers the risk of workpiece surface damage and improves chip evacuation in both external and internal turning operations. Practical selection guidance and application fit For medium to heavy steel turning where occasional interrupted cuts occur, this insert is a practical choice: the CNMG120412 T9225 insert combines toughness for shock resistance with a CVD wear layer for abrasion control. The cylindrical hole and standard fixing pattern support straightforward clamping and repeatable positioning in ISO holders. When selecting a chipbreaker or alternative grade, consider material type, depth of cut and machine rigidity — matching the insert’s properties to the machining conditions maximises productivity and extends service intervals. For reliable medium-to-heavy steel turning with Tungaloy’s T9225 grade, contact Metav Werkzeuge for order placement and expert holder guidance — eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930 Technical data Article number: 6780751 Manufacturer SKU: TUN6780751 SKU: 6780751-Tungaloy Designation: CNMG120412 T9225 Tungaloy insert Model series: ISO turning inserts Material: Carbide Core dimensions Corner radius: 1.2 mm Included angle: 80° Thickness: 4.76 mm Size: 12 mm Relief angle: 0° Special features CVD-coated grade T9225 Double-sided, indexable design Rhombic plate form Cylindrical mounting hole Double-sided chipbreaker Suited for external and internal turning of steel FAQ What materials is this insert suited for? The CNMG120412 T9225 insert is designed primarily for medium to heavy steel machining; the CVD-coated carbide grade provides a balance of wear resistance and toughness for these applications. Can the insert be used in interrupted cuts? Yes, the T9225 grade and the insert’s robust geometry are suitable for slightly interrupted and variable engagement conditions common in many turning operations. How does the double-sided chipbreaker benefit production? A double-sided chipbreaker offers repeatable chip control on both edges, improving chip evacuation and reducing the risk of surface damage during turning operations. Is the insert compatible with standard ISO holders? The insert follows ISO dimensions and mounting patterns; compatibility is determined by holder form, relief angle, tolerance class, fixing method, size and thickness. How many usable cutting edges are available before replacement? As a double-sided, indexable insert, it provides multiple cutting edges that can be rotated to present fresh edges; effective edge count depends on wear behaviour under the specific cutting parameters used. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Benefit from the combination of a CVD-coated carbide grade and a 1.2 mm corner radius for reliable medium-to-heavy steel turning and stable chip control; compatibility with ISO CNMG holders ensures predictable clamping and reduced downtime. Order directly via Metav Werkzeuge or ask the consultants for application advice. CNMG 120412 T9225 Turning insert, CVD-coated carbide – Tungaloy The CNMG 120412 T9225 is an ISO-standard indexable insert for external and internal turning, engineered as a robust universal grade for medium-to-heavy steel machining. CVD-coated carbide grade T9225 Robust universal grade for medium–heavy steel 1.2 mm corner radius for stable cuts Double-sided chipbreaker, cylindrical hole ISO CNMG form with 0° clearance angle Predictable wear life through balanced coating and substrate The CVD-coated surface combined with a tough carbide substrate provides a balance between thermal wear resistance and edge toughness. The T9225 grade is formulated for varying engagement conditions and light interruptions, which leads to more consistent performance when machining steel under changing cutting parameters. A CVD coating increases resistance to high temperatures at the cutting edge, which translates into longer periods between indexings and fewer unplanned tool changes — a clear efficiency gain on the shop floor. Compatibility and secure clamping for consistent results Supplied as an ISO CNMG rhombic insert with a cylindrical hole, this item is intended to work in conventional CNMG holders and boring bars. Compatibility depends on form, relief angle, tolerance class, fastening, size and thickness; the insert’s 0° clearance angle and 4.76 mm thickness are key parameters for matching clamping systems. The recommended system build comprises the indexable insert, a suitable external holder or boring bar, a shim/clamp set and replacement screws, enabling predictable repeatability and quick reassembly during tool changes. Shop-floor advantages: chip control and operational stability The double-sided chipbreaker promotes controlled chip formation across a range of cutting depths, improving surface finish and reducing the risk of built-up edge. The 1.2 mm corner radius increases cutting edge rigidity, aiding stable cutting in medium-to-heavy passes and helping to dampen vibration. These traits result in practical benefits: steadier cycle times, lower scrap risk and overall more economical use of tooling resources. Practical selection advice and application scope Select the chipbreaker and grade to match the workpiece material and the machine-tool setup; the grade’s universality suits many steel grades but finer adjustments to feed and speed optimise life and finish. For turning tasks that require a compromise between wear resistance and toughness, the T9225 grade is a reliable choice. For further specification checks or to confirm holder compatibility, Metav Werkzeuge’s technical advisors are available to clarify application details and cutting data. For reliable medium-to-heavy steel turning with Tungaloy’s T9225 CVD-coated carbide insert, contact Metav Werkzeuge for consultancy and order support: info@metav-werkzeuge.com · +49 2822 7131930 Technical data Article number: 6781366 SKU: 6781366-Tungaloy Manufacturer SKU: TUN6781366 Designation: CNMG120412 T9225 Tungaloy insert Model series: ISO indexable turning inserts Facts Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Lead/angle: 80° Relief/clearance angle: 0° Special features Material: carbide Coating / grade: T9225 (CVD-coated) Chipbreaker: double-sided Hole style: cylindrical hole Shape: rhombic Application: turning (external and internal) System composition: ISO insert, holder or boring bar, shim/clamp set, spare screws FAQ Is this insert compatible with standard CNMG holders? Compatibility requires matching the insert form, relief angle, tolerance class, fastening method, size and thickness; the CNMG 120412 T9225 is manufactured to ISO CNMG form and is intended for standard CNMG holders. Which materials is the grade suitable for? The T9225 grade is a robust universal grade for medium-to-heavy steel machining and performs well under variable engagement and lightly interrupted cuts. What benefits does the CVD coating deliver? CVD coating on the T9225 grade improves thermal resistance at the cutting edge and enhances wear performance, which extends effective edge life under high-temperature cutting conditions. How does the double-sided chipbreaker help in practice? The double-sided chipbreaker provides consistent chip control across opposing edges, improving surface finish and lowering the chance of chip-related interruptions during turning operations. What are the key dimensions to check before ordering? Verify size (12 mm), thickness (4.76 mm), corner radius (1.2 mm), and relief/clearance angle (0°); these determine holder fit and cutting behaviour. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Benefit from a robust, universal carbide grade and standard ISO geometry that deliver consistent performance in medium to heavy turning operations; select the matching holder and chipbreaker for optimal productivity and request application advice from Metav Werkzeuge when needed. CNMG 120412 T9225 indexable turning insert by Tungaloy — CVD-coated carbide, rhombic 80° geometry CNMG 120412 T9225 is a rhombic indexable insert designed for general turning applications, offering a sturdy CVD-coated carbide grade for demanding steel machining. CVD-coated carbide class T9225 Universal grade for medium to heavy steel Rhombic CNMG 80° geometry Double-sided chipbreaker with hole Consistent performance from a universal CVD-coated grade The T9225 grade combines a CVD coating with a tough cemented carbide substrate to balance wear resistance and toughness. This makes the insert particularly suitable for medium to heavy steel machining where variable engagement and slight interruptions occur. The result is reliable edge life under changing cutting conditions, reduced downtime and fewer insert changes, which supports smoother production runs and predictable tooling costs. Geometry and handling that support efficient turning The rhombic CNMG form with an 80° approach angle and a 1.2 mm corner radius provides stable cutting behaviour and favourable chip flow for external and internal turning. The insert is double-sided, offering two usable edges per side, and features a cylindrical locating hole for secure clamping in compatible holders. The plate thickness 4.76 mm contributes to rigidity, reducing vibration and improving surface finish when paired with the correct toolholder and clamping set. Practical system considerations and compatibility These ISO-standard turning inserts fit into systems composed of the insert, a matching outer holder or boring bar, a support/clamp set and replacement screws. Compatibility depends on insert form, relief angle (0°), tolerance class, fastening style, size and thickness. Selecting the appropriate chipbreaker and grade for the workpiece material ensures optimal chip control and process stability, especially in production environments with varying cut conditions. Contact Metav Werkzeuge for tailored grade and holder recommendations — call +49 2822 7131930 or email info@metav-werkzeuge.com to discuss the CNMG 120412 T9225 insert and ensure the best configuration for the application Technical data Article number: 6780673-Tungaloy Manufacturer SKU: TUN6780673 Manufacturer article number: 6780673 Brand: Tungaloy Dimensions and geometry Corner radius: 1.2 mm Approach angle: 80° Relief angle: 0° Plate thickness: 4.76 mm Inscribed circle/size: 12 Features and compatibility Shape: rhombic (CNMG) Hole: with cylindrical hole Chipbreaker: double-sided Coating: CVD-coated Material: carbide Model series: ISO turning indexable inserts Typical application: external and internal turning Grade use: medium to heavy steel machining FAQ What materials is this insert suitable for? The CNMG 120412 T9225 insert is intended primarily for steel machining, optimised for medium to heavy cuts where toughness is required. How does the T9225 grade affect tool life? The T9225 CVD-coated grade offers a balance of wear resistance and toughness, which extends edge life under variable engagement compared with purely hard grades. What holder features are required for correct fitment? Compatibility is determined by insert form, relief angle, tolerance class, fastening method, size and thickness; the insert requires a holder or boring bar designed for CNMG 120412 geometry and a suitable clamping set. Is the insert suitable for interrupted cuts? Yes, the universal nature of the T9225 grade provides increased toughness, making the insert resilient under slightly interrupted cuts and changing engagement conditions. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Take advantage of a robust, CVD‑coated carbide grade that combines toughness for interrupted cuts with economical double‑sided use; the result is stable machining and longer tool life in medium to heavy steel turning. Order the insert directly via Metav Werkzeuge or ask the Metav Werkzeuge consultants for application support. CNMG 120412 T9225 ISO turning insert for turning — Tungaloy The CNMG120412 T9225 is an ISO‑standard rhombic turning insert designed for external and internal turning operations, offering a CVD‑coated cemented carbide grade optimised for medium to heavy steel machining. CVD‑coated cemented carbide T9225 For medium to heavy steel turning Rhombic, 80° form with 1.2 mm corner radius Double‑sided insert, cylindrical hole, 4.76 mm thick Consistent cutting performance where toughness matters The CVD‑coated T9225 grade is formulated as a robust universal option for demanding steel applications, providing a balanced combination of hardness and toughness. This coating enhances wear resistance while the cemented carbide substrate preserves edge integrity during slightly interrupted cuts. The design supports stable chip formation and contributes to improved tool life, which reduces tool changes and supports uninterrupted production cycles in conventional turning tasks. Secure fit and geometry that simplifies holder selection Compatibility with the chosen toolholder depends on form, clearance angle (0°), tolerance class, clamping method, size and thickness. The insert’s rhombic 80° shape and cylindrical hole ensure secure seating in many standard ISO external holders and boring bars; the 4.76 mm plate thickness and 1.2 mm corner radius are decisive for matching the correct clamping and cutting conditions. Specifying these geometric parameters avoids misfits and shortens setup time, delivering more predictable machining results. Economical operation and adaptable machining strategy Being double‑sided, the insert halves the effective cost per cutting edge compared with single‑edged alternatives. The universal nature of the grade reduces the number of different inserts in inventory, streamlining purchasing and logistics. For process optimisation, pair the insert with the appropriate chipbreaker style—this insert is supplied with a double‑sided chipbreaker—and select cutting parameters that reflect the machine rigidity and workpiece stability. The overall effect is higher throughput and a more consistent surface finish with lower per‑part tooling costs. Contact Metav Werkzeuge for matching toolholder recommendations and cutting data for Tungaloy inserts; Metav Werkzeuge is available at info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: 6944509 Manufacturer SKU: TUN6944509 SKU: 6944509-Tungaloy Model series: ISO‑Drehwendeschneidplatten Facts Corner radius: 1.2 mm Insert thickness: 4.76 mm Insert size: 12 mm Shape angle: 80° Clearance angle: 0° Special features Material: cemented carbide Coating / grade: T9225 (CVD‑coated) Insert designation: CNMG120412 Hole style: cylindrical hole Chipbreaker: double‑sided Plate form: rhombic (80° diamond) Typical application: external and internal turning of steel System composition: ISO insert for external holder or boring bar, with clamping/seat and fasteners FAQ What steels is this insert designed for? The CNMG120412 T9225 insert is intended for medium to heavy steel turning and performs well where moderate toughness is required for interrupted cuts. Is the insert reversible and how does that affect cost efficiency? Yes, the insert is double‑sided; CNMG120412 T9225 therefore offers two usable cutting edges per side, lowering cost per edge and extending service intervals. Which chipbreaker does this insert use and why is it important? The insert is supplied with a double‑sided chipbreaker; the chipbreaker promotes controlled chip formation and contributes to consistent surface quality in steel machining. How critical is matching the clearance angle and thickness to the holder? Very critical—compatibility depends on form, clearance angle, tolerance class, clamping and thickness. Matching the 0° clearance and 4.76 mm thickness to the correct holder avoids seating issues and unstable cutting. Can this insert be used for internal boring as well as external turning? Yes, the geometry and ISO designation make the insert suitable for both external turning and internal operations when mounted in a compatible boring bar or holder. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Die Kombination aus robuster Schneidstoffauswahl und präziser ISO-Geometrie ermöglicht zuverlässige Drehprozesse bei mittleren bis schweren Stahlbearbeitungen; der CVD-beschichtete Hartmetall erhöht die Standzeit, während die CNMG‑Rhombusform mit 80° für stabile Schnittrichtungen sorgt. Bestellungen oder fachliche Beratung sind über Metav Werkzeuge möglich. CNMG 120412 T9225 CNMG120412 – Tungaloy turning insert, CVD-coated carbide, 80° rhombic A CNMG120412 T9225 turning insert designed for external and internal turning in medium to heavy steel machining, offering robust universal performance and secure clamping via a cylindrical hole. CVD-coated carbide for extended life 80° rhombic geometry for stable cuts 1.2 mm corner radius for versatility Cylindrical hole for reliable mounting Optimised cutting performance for variable turning conditions The CVD-coated carbide grade T9225 is formulated as a robust universal grade for medium to heavy steel machining. This composition prioritises a balance of toughness and wear resistance, which is particularly useful where cutting conditions vary or where slightly interrupted cuts occur. The integrated double-sided chipbreaker promotes controlled chip formation, lowering the risk of built-up edge and improving process stability. For operators unfamiliar with coatings: CVD (chemical vapour deposition) adds a thin, hard layer that reduces abrasive wear and extends tool life under industrial cycle conditions. Reliable geometry and secure clamping reduce downtime The insert’s ISO rhombic geometry and 80° cutting angle give a predictable contact pattern with the workpiece, supporting consistent surface finish and tool engagement. The 1.2 mm corner radius widens the application window between finishing and semi-finishing tasks, while the cylindrical hole ensures secure seat and repeatable positioning in compatible holders. Compatibility with a toolholder depends on form, relief angle, tolerance class, fixation method, size and thickness; the insert’s dimensions (size 12, thickness 4.76 mm) conform to ISO standards for straightforward holder selection. The product designation CNMG120412 identifies the shape and nominal dimensions for machine setup and tool databases. Economic advantages through fewer tool changes and predictable results Selecting a universal grade such as T9225 can lower tooling complexity in mixed-production environments: one grade copes with a wide range of steel alloys and fluctuating cutting conditions, reducing inventory and set-up time. The controlled chipbreaking and CVD coating together contribute to longer effective cutting time, which supports higher component throughput and less frequent intervention. When paired with an appropriate holder and clamping kit, the insert promotes reproducible part quality and reduced cycle variability — a rational path to improved process economics in turning operations. For tailored machining recommendations with Tungaloy inserts and to discuss holder compatibility, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for expert advice and ordering support. Technical data Article number: 6780994 Manufacturer SKU: TUN6780994 SKU: 6780994-Tungaloy Model series: ISO-Drehwendeschneidplatten Facts Size: 12 Thickness: 4.76 mm Cutting angle: 80° Corner radius: 1.2 mm Special features CVD-coated carbide (T9225) Rhombic CNMG geometry Double-sided chipbreaker Cylindrical hole for clamping ISO-standard turning insert Suitable for external and internal turning FAQ What materials is this insert intended for? The Tungaloy CNMG120412 T9225 insert is intended primarily for medium to heavy steel machining and is designed to handle changing engagement conditions. How does the T9225 grade affect tool life? The T9225 CVD-coated carbide offers enhanced wear resistance and toughness, extending effective cutting time under mixed and interrupted turning operations. Is the insert reversible or single-sided? The CNMG120412 insert is double-sided, providing two usable cutting edges per side and contributing to economical usage. Which holder features are required for correct compatibility? Correct compatibility depends on holder form, relief angle, tolerance class, fixation and matching size/thickness; the insert’s cylindrical hole and ISO rhombic shape require a matching clamping seat and screw arrangement. Can this insert be used for finishing passes? With its 1.2 mm corner radius and 80° geometry, the insert can be used for semi-finishing and certain finishing tasks, subject to cutting parameters and machine stability. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9225 Wendeplatten - Tungaloy
Reliable medium-to-heavy steel turning with consistent chip control is achieved by combining the CVD-coated carbide grade T9225 with a double-sided chipbreaker and ISO conformity; order directly via Metav Werkzeuge or consult our specialists for holder matching and process advice. CNMG 120412 T9225 CNMG — Turning insert by Tungaloy with CVD-coated carbide and rhombic form, 80° included angle CNMG120412 T9225 Tungaloy turning insert for ISO-standard turning applications, offering a robust universal grade for medium to heavy steel machining CVD-coated carbide for extended edge life Rhombic form with 80° included angle Double-sided chipbreaker for reliable chip control Cylindrical-hole design for secure clamping Consistent cutting performance through CVD-coated carbide The CVD-coated carbide composition of this insert combines a hard, wear-resistant surface with a tough carbide core to deliver steady cutting-edge retention even under variable engagement. The T9225 grade is formulated as a robust universal solution for medium-to-heavy steel machining, particularly where slightly interrupted cuts or changing cutting conditions demand greater toughness. CVD coating reduces flank wear and maintains profile precision, which translates into more predictable tool life and fewer insert changes per job — a direct improvement to process efficiency and cost control. Secure fit and geometry that supports stable turning ISO conformity ensures straightforward selection of matching holders when the correct form, relief angle, tolerance class, fastening style, size and thickness are observed. The rhombic form with an 80° included angle and a 0° relief angle gives a balance between strength and accessibility in external and internal turning. The insert’s cylindrical hole and standard dimensions (thickness 4.76 mm, size 12) enable secure clamping and repeatable indexation on compatible toolholders, while the 1.2 mm corner radius helps manage cutting forces for roughing and medium finishing tasks. Practical benefits for shop-floor productivity Designed as a universal grade, this insert suits diverse turning tasks: external and internal turning, and operations with intermittent cuts. The double-sided chipbreaker supports stable chip formation and evacuation across a range of feeds, reducing the risk of built-up edge and improving surface finish. Selecting this grade and chipbreaker combination means shorter set-up times, fewer insert changes and better throughput in batch production. For operators and process engineers, the result is reliable component tolerances and reduced downtime. For original Tungaloy reliability and fast availability, contact Metav Werkzeuge to discuss the CNMG120412 T9225, matching holders and application-specific recommendations — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6780720 Manufacturer SKU: TUN6780720 Manufacturer article number: 6780720 Model series: ISO turning inserts Material: carbide Grade / coating: T9225, CVD-coated carbide Facts Corner radius: 1.2 mm Thickness: 4.76 mm Size: 12 mm Included angle: 80° Relief angle: 0° ISO designation: 120412 Special features Rhombic insert form Cylindrical hole for fastening Double-sided chipbreaker Suitable for medium to heavy steel machining ISO-standard turning application Robust universal grade for variable engagement FAQ What materials is this insert suited for? The Tungaloy CNMG120412 T9225 insert is optimised for medium to heavy steel machining and performs well under slightly interrupted cuts due to its tougher CVD-coated carbide grade. How does the chipbreaker affect machining? The double-sided chipbreaker on this insert promotes controlled chip formation and evacuation, improving surface finish and reducing the risk of built-up edge during turning operations. Which holders are compatible with this insert? Compatibility depends on the holder matching the ISO form, relief angle, tolerance class, fastening method, size (12 mm) and thickness (4.76 mm); using ISO-compatible holders provides secure clamping and repeatable indexing. Can this insert be used for internal turning? Yes — the rhombic form and 80° included angle make the insert suitable for both external and internal turning tasks where accessibility and strength are balanced. Is the insert indexable and reversible? The CNMG120412 is double-sided and indexable; rotating or indexing the insert restores a fresh cutting edge and extends effective tool life. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Take advantage of the combination of ISO compatibility, a tough CVD-coated carbide grade and robust rhombic geometry for reliable turning under unstable conditions; order directly via Metav Werkzeuge or ask their consultants for mounting and grade selection. CNMG 120412 T9235 indexable turning insert — rhombic 80° geometry, CVD-coated carbide by Tungaloy The CNMG120412 T9235 is an ISO-standard indexable insert for turning, designed for external and internal turning of steel where interrupted cuts or less-stable setups demand a tough, wear-resistant grade. ISO-standard indexable insert CVD-coated carbide grade T9235 Rhombic 80° geometry, 1.2 mm nose radius Double-sided chipbreaker, cylindrical hole Consistent performance when machining steel and interrupted cuts The CVD-coated carbide grade T9235 is formulated as a tough cutting grade that performs well at lower cutting speeds and in unstable conditions, making it suitable for interrupted cuts and less rigid set-ups. The combination of a robust substrate and a chemical vapour deposition layer improves resistance to chipping and flank wear, which extends tool life and reduces unexpected stoppages. As a consequence, this insert supports a steady production flow and more predictable tooling costs per component. Secure clamping and ISO-based compatibility for flexible use The insert follows ISO dimensions, so compatibility with holders is determined by form, relief angle, tolerance class, fastening, size and thickness. The rhombic 80° geometry and cylindrical hole allow positive mechanical location and straightforward fastening in matching toolholders or boring bars. The double-sided design provides two usable cutting edges, improving economic efficiency. Selecting a matching holder and the correct tolerance class ensures repeatable positioning and consistent cutting conditions across batches. Simple technical advantages that translate to operational benefits Key dimensional features such as the 1.2 mm nose radius, 4.76 mm plate thickness and a 0° clearance angle help balance edge strength and achievable surface finish when paired with the appropriate feeds and speeds. The double-sided chipbreaker assists in chip control for many common steels, reducing the risk of chip entanglement and helping to maintain stable cutting forces. For shops seeking predictable performance, the clear ISO specification and established grade behaviour simplify process planning and reduce trial-and-error on the shopfloor. Contact Metav Werkzeuge for application advice and stock availability of Tungaloy CNMG 120412 T9235 inserts — info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: 6785812 Manufacturer SKU: TUN6785812 Brand: Tungaloy Model series: ISO indexable turning inserts Name: CNMG120412 T9235 Tungaloy indexable insert Core specifications Insert size: 12 Plate thickness: 4.76 mm Nose radius: 1.2 mm Relief angle: 0° Included angle: 80° Hole: with hole Hole style: cylindrical hole Plate form: rhombic Chipbreaker: double-sided Materials and special features Material: carbide (cemented carbide) Grade/coating: T9235, CVD-coated carbide Application: turning (external and internal), suitable for steel Typical system: ISO insert, matching external holder or boring bar, shim/clamping kit and spare screw Notes on compatibility: determined by form, relief angle, tolerance class, fastening, size and thickness FAQ What steels is this grade suitable for? The CNMG120412 T9235 insert is a tough CVD-coated carbide grade intended primarily for machining steel, especially when operations involve interrupted cuts or variable rigidity. How many cutting edges are available per insert? Due to its double-sided design, the insert provides two usable cutting edges; reversing the insert restores a fresh edge and improves cost efficiency. How does the cylindrical hole affect mounting stability? The cylindrical hole supports secure clamping and precise positioning in compatible ISO toolholders, improving repeatability and reducing the risk of rotation under load. Can this insert be used for finishing passes? With the 1.2 mm nose radius and appropriate cutting parameters, the insert can achieve acceptable surface finishes, though optimal finishing may require a smaller radius or a grade prioritising fine-edge life. What should be considered when selecting a holder for this insert? Select a holder matching the ISO designation and tolerance class; check form, relief angle, fastening method, size and thickness to ensure correct seating and reliable cutting geometry. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Benefit from a combination of CVD-coated carbide T9235, ISO conformity and a 1.2 mm corner radius for stable, cost-effective turning in steel. Order the CNMG120412 T9235 Tungaloy insert directly via Metav Werkzeuge or ask our consultants if needed. CNMG120412 T9235 — Turning insert (ISO 120412), CVD-coated carbide, 1.2 mm radius — Tungaloy CNMG120412 T9235 is an ISO‑standard rhombic turning insert engineered for external and internal turning of steel; the CVD‑coated carbide grade is optimised for interrupted cuts and unstable machining conditions CVD-coated carbide grade T9235 for steel machining ISO‑standard CNMG120412 geometry, rhombic form 1.2 mm corner radius for robust edge strength Double-sided chipbreaker with cylindrical hole Consistent cutting performance under unstable conditions The CVD‑coated T9235 carbide formulation delivers a balance of toughness and wear resistance that is particularly effective for machining steel at moderate cutting speeds or where interrupted cuts occur. The combination of the coated substrate and the rhombic geometry helps maintain a stable cutting edge, reducing the frequency of edge failures and unplanned tool changes. This stability translates directly into improved process predictability, longer tool life and reduced overall production costs in batch and mixed‑batch turning operations. Straightforward integration with ISO holders and secure clamping Built to ISO dimensions, the insert’s compatibility with holders depends on geometry, relief angle, tolerance class, fixation and thickness. The rhombic shape with a 0° relief angle, 4.76 mm plate thickness and a cylindrical hole ensure secure locating and fastening in standard CNMG‑capable external holders or boring bars. The double‑sided design allows two indexed cutting edges per face, offering efficient use of the insert and straightforward reindexing. For workshops adopting ISO‑based tool systems, this geometry simplifies tool inventory and reduces downtime when swapping or reseating inserts. Productivity benefits and recommended applications This insert is designed for turning applications where robustness is required: external and internal turning of steel components, interrupted cuts and less‑stable setups. The double‑sided chipbreaker aids chip control across varying depths of cut, while the 1.2 mm corner radius supports stronger edge integrity and improved surface finish in roughing passes. Selecting the correct chipbreaker and grade for the workpiece material and machine stability is advised to maximise cutting performance and tool life; the specification here directs users to a grade optimised for durable, reliable machining rather than only maximum speed. For reliable steel turning with Tungaloy quality, request technical guidance or place an order through Metav Werkzeuge — email info@metav-werkzeuge.com or phone +49 2822 7131930 for tailored application advice and availability Technical data Article number: 6786028 Manufacturer SKU: TUN6786028 SKU: 6786028-Tungaloy Model series: ISO turning inserts Material: carbide Manufacturer article number: 6786028 Core data Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Included angle: 80° Special features Grade: T9235 (CVD-coated) Plate form: rhombic Hole: with hole, cylindrical hole Chipbreaker: double-sided Application: turning Typical system: ISO insert + matching external holder or boring bar FAQ What materials is this insert designed for? The insert is intended primarily for machining steel; the T9235 CVD‑coated carbide grade is formulated for tougher steel applications and interrupted cuts. How does the double-sided chipbreaker affect performance? A double‑sided chipbreaker provides two usable cutting edges per face and improves chip control across a range of depths of cut, enhancing productivity and reducing manual chip handling. Which holder features must match the insert for correct fitment? Compatibility requires matching the insert form, relief angle, tolerance class, fixation method, size and thickness; the ISO‑standard geometry simplifies selection for ISO‑capable holders. Is the clearance angle fixed for this geometry? This insert is specified with a 0° relief; holders and setups must account for this when defining cutting parameters and tool alignment. How many edges are available before reindexing or replacement? The double‑sided construction provides multiple usable edges through indexing; actual edge count depends on usage and wear, but the design aims to maximise usable cutting life. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Take advantage of the combination of a CVD-coated carbide grade engineered for interrupted cuts, a robust double-sided chipbreaker, and ISO compatibility for predictable tool changes; order the insert directly via Metav Werkzeuge or consult the technical team for application-specific recommendations. CNMG 120412 T9235 — ISO turning insert by Tungaloy, for external and internal turning A CNMG 120412 T9235 ISO turning insert designed for steel machining where interrupted cuts and less rigid setups demand a tough, wear-resistant grade and secure chip control CVD-coated carbide for robust cutting Designed for steel under interrupted cuts Double-sided chipbreaker for versatile use ISO rhombic plate with 80° cutting angle Longer tool life through a wear-resistant grade The combination of a CVD coating with a tough carbide substrate gives this grade a clear advantage when machining steels at reduced cutting speeds or under unstable conditions. The T9235 formulation emphasises stable chip formation and resistance to abrasive wear, which translates into fewer insert changes and a more constant process output. For operations where surface finish consistency and predictable regrinds matter, a wear-resistant insert reduces downtime and contributes to overall cost-efficiency in series production. Reliable fitment and predictable assembly for quick tool changes Compatibility within an ISO system depends on geometric parameters and tolerance classes rather than brand-specific designs. The plate’s rhombic form and 80° cutting angle, together with a 0° clearance angle, a plate thickness of 4.76 mm and a corner radius of 1.2 mm, ensure a defined seating in matching holders. The insert’s central cylindrical hole accommodates standard clamping screws and shims; therefore, selection of an appropriate external holder or boring bar requires matching the plate form, size and thickness to the clamping set. This standardised approach simplifies inventory and speeds replacement during production. Consistent chip control and performance in interrupted cuts A double-sided chipbreaker provides two usable cutting edges and a controlled fragmentation pattern that improves evacuation in turning operations. In practice, choosing the correct chipbreaker and grade to suit the workpiece steel and machining stability is decisive: a robust chip control design helps avoid built-up edge and improves repeatability when cuts are irregular or interrupted. For workshops facing a mix of stable and unstable setups, this insert offers a balance between process security and flexibility, helping to maintain surface quality without excessive adjustments. System-focused handling that supports productivity The insert is part of an ISO system comprising the indexable plate, a suitable holder, a shim or clamping set and replacement screws. Using matching components reduces set-up time and ensures repeatable clamping forces, which supports tool life and machining accuracy. Planning tool changes around standardised inserts like this enables fast stock rotation and lowers logistical complexity. For clear traceability, the item is supplied with manufacturer and SKU references, which simplifies reordering and tool management in production environments. For application advice or availability of Tungaloy carbide inserts, contact Metav Werkzeuge for tailored recommendations and order support via info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: 6785906 Manufacturer SKU: TUN6785906 Label: CNMG120412 T9235 Tungaloy insert Model series: ISO turning inserts Facts Corner radius: 1.2 mm Cutting angle: 80° Clearance angle: 0° Plate thickness: 4.76 mm Plate size: 12 Special features CVD-coated carbide (T9235) Double-sided chipbreaker Rhombic plate form Cylindrical central hole For external and internal turning Compatible with ISO turning holders FAQ What materials is this insert optimised for? The CNMG 120412 T9235 insert is optimised for machining steel in conditions with interrupted cuts or reduced cutting speeds; the T9235 carbide grade is balanced for toughness and wear resistance. Will this insert fit existing ISO holders? Compatibility is determined by plate form, free/clearance angle, tolerance class, fastening method, size and thickness; the rhombic shape, 80° angle and 4.76 mm thickness match ISO holder specifications for this plate type. How does the double-sided chipbreaker benefit production? The double-sided chipbreaker provides two cutting edges per insert and consistent chip fragmentation, improving evacuation and repeatability in turning operations with variable cut conditions. Is the coating suitable for mixed production batches? The CVD coating on this carbide grade offers broad applicability across different steel grades and is particularly helpful when batch work includes interruptions or unstable setups. What references identify this product for reorders? Use the manufacturer article number 6785906 or the manufacturer SKU TUN6785906 when reordering to ensure the exact CNMG120412 T9235 specification is supplied. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Take advantage of the CVD-coated T9235 grade and the robust CNMG geometry to improve uptime and reduce insert changes in heavy or interrupted turning. The combination of a 1.2 mm corner radius, 80° rhombic form and a double-sided chipbreaker offers a practical balance of edge strength and chip control; order directly via Metav Werkzeuge or ask our consultants for application advice. CNMG 120412 T9235 – ISO turning insert, CVD-coated carbide by Tungaloy The CNMG120412 T9235 is an ISO-compliant turning insert designed for external and internal turning where interrupted cuts or unstable conditions demand a tough, wear-resistant grade. CVD-coated carbide for tough conditions ISO CNMG 120412 rhombic form, 80° included angle 1.2 mm corner radius for robust cutting edge Double-sided chipbreaker, cylindrical hole Proven wear resistance for longer tool life and fewer tool changes The T9235 grade is a CVD-coated carbide designed to withstand lower cutting speeds and unstable machining conditions, delivering consistent edge stability when the load is variable. Because the coating provides a hard, wear-resistant surface and the substrate combines toughness with thermal stability, the insert sustains its cutting geometry for longer, which reduces the frequency of indexings and replacements. This translates into higher machine availability and lower handling time per workpiece, giving a measurable advantage on jobs with interrupted cuts or less rigid set-ups. Straightforward integration into ISO tool systems saves set-up time The rhombic CNMG geometry with an 80° included angle, 0° clearance, and a cylindrical hole ensures compatibility with a wide range of ISO holders and boring bars. The plate thickness of 4.76 mm and the standard plate size make it simple to select a matching external holder or toolpost-mounted bar. System assembly typically includes the appropriate holder, an underlay/clamping kit and replacement screws; these components determine the final seat, orientation and tolerance. Clear documentation of form, clearance angle and tolerance class helps ensure reliable clamping and repeatable indexing operations. Practical choice for steel machining under interrupted or unstable conditions This insert is optimised for machining steel where toughness and chipping resistance are priorities. The double-sided chipbreaker assists in maintaining predictable chip formation across varying depths of cut, while the 1.2 mm corner radius provides a robust edge that tolerates shock at the cut entry. Since the grade performs best at moderate to lower cutting speeds, it is particularly suitable for repair work, medium-duty roughing and applications with frequent interruptions. Selecting the correct chipbreaker and grade according to workpiece material and stability will improve surface finish and process reliability. Contact Metav Werkzeuge today for tailored advice on integrating the Tungaloy CNMG 120412 T9235 insert into existing tool systems and to secure original replacement inserts directly from stock Technical data Article number: 6785816 Manufacturer SKU: TUN6785816 SKU: 6785816-Tungaloy Model series: ISO-Drehwendeschneidplatten Designation: CNMG120412 Manufacturer: Tungaloy Facts Corner radius: 1.2 mm Included angle: 80° Clearance angle: 0° Plate thickness: 4.76 mm Plate size: 12 Special features Material: carbide Coating/sort: T9235 (CVD-coated) Plate shape: rhombic Hole: cylindrical, with hole Chipbreaker: double-sided Typical application: external and internal turning FAQ What materials is the CNMG120412 T9235 suitable for? The CNMG120412 T9235 insert is optimised for machining steel; the CVD-coated carbide grade is chosen for toughness and resistance during interrupted or unstable cuts. Will this insert fit standard CNMG holders? Yes, the insert follows ISO CNMG geometry; compatibility is determined by form, clearance angle, tolerance class, mounting and plate thickness, so matching the holder to these parameters is essential. When should the T9235 grade be selected over harder grades? Choose the T9235 grade for lower cutting speeds, jobs with interrupted cuts or less rigid set-ups where edge toughness and chipping resistance are more important than maximum wear resistance. How is the insert mounted and secured? The insert uses a cylindrical hole and is secured in a suitable external holder or boring bar; a correct underlay/clamping set and replacement screws complete the system for repeatable seating. Is this a single- or double-sided insert and what are the implications? This is a double-sided insert with a chipbreaker on both faces; the design allows indexing to a fresh cutting edge and improves cost-efficiency per edge. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Take advantage of the combination of CVD-coated carbide in T9235 grade, ISO-standard CNMG geometry and a 1.2 mm corner radius for reliable performance in unstable turning conditions; order the insert directly via Metav Werkzeuge or request technical advice from the consultants. CNMG 120412 T9235 – Tungaloy turning insert for external and internal turning The CNMG120412 rhombic ISO turning insert, CVD-coated and designed for steel machining, is intended for external and internal turning where interrupted cuts or unstable conditions demand a tough edge. ISO rhombic insert, 80° cutting geometry CVD-coated carbide grade T9235 Double-sided chipbreaker for interrupted cuts 1.2 mm corner radius for robust edge Durable cutting performance for demanding turning operations The CVD-coated carbide composition and T9235 grade deliver a wear-resistant cutting edge that is particularly suited to steel applications at moderate cutting speeds. The coating improves thermal stability and helps preserve the edge during interrupted cuts, while the substrate offers toughness where vibrations or variable clamping reduce process stability. This combination results in more consistent tool life and fewer unplanned insert changes, supporting a steady production rhythm and predictable throughput. Compatibility and easy integration into existing tool systems Compatibility with tool holders depends on the insert form, relief angle, tolerance class, fastening method, size and thickness; these parameters are standardised for ISO turning plates. The rhombic 80° geometry and 0° relief allow straightforward mounting in common external and internal holders, while the cylindrical hole provides secure clamping. Clear specification of the insert designation and holder type avoids mismatches and reduces setup time, helping to maintain cycle-time targets on both small-batch and series production. Chip control and edge security under intermittent cutting The double-sided chipbreaker design supports effective chip formation for a wide range of linear feeds and depth of cut choices, lowering the risk of chip-related surface damage and tool pressure spikes. The 1.2 mm corner radius balances edge strength with acceptable surface finish, giving a robust edge that tolerates entry impacts and fluctuations in material hardness. For operations requiring increased edge security, the insert’s geometry and chipformer reduce the likelihood of premature chipping, improving process reliability. Choosing the right grade and what it means for productivity The Tungaloy T9235 grade is a CVD-coated carbide formulated as a tougher solution for steel machining where tooling must resist breakage during unstable conditions or interrupted operations. Selecting this grade over a harder, more brittle alternative trades some high-speed wear resistance for better fracture tolerance and longer useful life in adverse conditions. This pragmatic choice often reduces downtime and tooling turnover in mixed or unpredictable production environments, improving overall machining economy. Contact Metav Werkzeuge for specification matching, availability and batch supply of the Tungaloy CNMG120412 T9235 turning insert; email info@metav-werkzeuge.com or call +49 2822 7131930 for fast technical advice and ordering Technical data Article number: 6785820 Manufacturer SKU: TUN6785820 SKU: 6785820-Tungaloy Model series: ISO turning inserts Material: Carbide Designation: CNMG120412 Grade: T9235 Manufacturer: Tungaloy Facts Insert size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Included angle: 80° Relief angle: 0° Special features CVD-coated carbide (T9235) Double-sided chipbreaker Rhombic plate form Cylindrical hole (with hole) ISO-standard turning insert Suited for steel, lower cutting speeds, unstable and interrupted cuts Compatibility determined by form, relief angle, tolerance class, fastening, size and thickness FAQ What materials is this insert best suited for? The Tungaloy CNMG120412 T9235 insert is optimised for steel machining and performs well in applications with interrupted cuts or reduced process stability. Is the insert reversible or single-use per edge? This CNMG insert is double-sided and can be indexed to provide two cutting edges per side, prolonging usable life before disposal. Which holder types are compatible with the CNMG120412 geometry? Compatibility depends on holder form and tolerance; the rhombic 80° geometry and cylindrical hole make it compatible with many ISO external and internal turning holders designed for CNMG plates. How does the T9235 grade differ from harder coatings for finishing? T9235 is a tougher CVD-coated carbide aimed at fracture resistance under variable conditions, whereas harder coatings prioritise wear resistance at high cutting speeds and stable setups. What benefit does the 1.2 mm corner radius provide? The 1.2 mm corner radius enhances edge robustness against impacts and interruptions, reducing the chance of chipping while maintaining an acceptable surface finish. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Benefit from the combination of CVD-coated carbide, a 1.2 mm nose radius and ISO compatibility for reliable turning results under unstable cutting conditions. Order the insert through Metav Werkzeuge or consult their specialists for selection and application advice. CNMG 120412 T9235 CNMG120412 Turning Insert by Tungaloy — CVD-coated carbide, 1.2 mm radius A CNMG 120412 T9235 indexable turning insert designed for external and internal turning, offering a tough CVD-coated carbide grade for interrupted cuts and less stable machining conditions. CVD-coated carbide for improved wear resistance 1.2 mm nose radius for consistent profile control ISO CNMG form with cylindrical hole Suitable for unstable cuts and interrupted turning Durable grade for interrupted and unstable turning The insert is manufactured in a CVD-coated carbide grade T9235, specifically developed for turning steel at moderate cutting speeds and in situations with interrupted cuts or instability. The coating increases surface hardness and reduces adhesive wear, while the substrate delivers toughness to resist chipping. Together, these properties translate into extended tool life and fewer insert changes, which supports steady production and lower downtime in mixed‑batch machining. Accurate profile control and surface consistency With a 1.2 mm nose radius and an 80° rhombic form, the geometry provides reliable profile control for shoulder and finishing passes. The defined nose radius helps achieve consistent part geometry and a predictable surface finish without aggressive chatter when the machine setup is stable. The insert’s geometry, combined with the double-sided chipbreaker, assists chip control and helps maintain repeatable dimensional accuracy on turned components. Straightforward integration with ISO toolholders The component follows the ISO designation CNMG120412, ensuring compatibility with ISO‑standard external holders and boring bars when matched by form, relief angle, tolerance class, clamping method and size. The insert features a cylindrical hole for secure mounting and a plate thickness of 4.76 mm, allowing straightforward replacement in existing tool systems and simplifying inventory management across workshops that standardise on ISO indexable tooling. Application guidance and machining benefits Chosen for general turning tasks, the grade and chipbreaker combination is particularly effective for jobs where stability is variable or cutting is interrupted. The double-sided chipbreaker extends usable edges per insert, improving economy. For steel machining, the tougher grade reduces the risk of chipping during entry and exit. When higher cutting speeds and lower forces are possible, alternative grades may offer higher wear resistance, but this insert balances process reliability with predictable performance in demanding conditions. Contact Metav Werkzeuge for tailored application advice on the Tungaloy CNMG 120412 T9235 insert and to secure the correct inserts for specific turning operations Technical data Article number: 6785976 SKU: 6785976-Tungaloy Manufacturer SKU: TUN6785976 Brand: Tungaloy Facts Nose radius: 1.2 mm Inscribed circle / size: 12 mm Plate thickness: 4.76 mm Angle: 80° Clearance angle: 0° Special features ISO designation: CNMG120412 Grade / coating: T9235 CVD-coated carbide Plate form: rhombic Hole: cylindrical hole Double-sided chipbreaker Application: turning (external and internal) Suitable for interrupted cuts and unstable conditions FAQ What machining tasks is this insert best suited for? The CNMG 120412 T9235 insert by Tungaloy is intended for external and internal turning of steel, especially where interrupted cuts or unstable conditions occur. How does the T9235 grade affect tool life? Tungaloy’s T9235 grade combines a tough carbide substrate with a CVD coating to resist chipping and reduce adhesive wear, which typically results in longer usable life under the stated turning conditions. Is the insert compatible with standard ISO holders? Yes. The ISO designation CNMG120412 indicates compatibility with ISO CNMG holders when matching form, relief angle, size and clamping system. How many cutting edges are available per insert? The insert features a double-sided chipbreaker, providing multiple usable edges before replacement is necessary. Can this insert be used for finishing passes? With its 1.2 mm nose radius and rhombic 80° form, the insert supports controlled profiling and can be used for finishing, bearing in mind the grade is optimised for toughness over maximum speed. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Take advantage of the CVD-coated T9235 grade and the ISO CNMG geometry to achieve stable chip control and reliable performance in steel turning; order the insert directly via Metav Werkzeuge or consult our specialists for process matching. CNMG120412 T9235 — ISO turning insert for turning, Tungaloy A CNMG120412 T9235 indexable turning insert designed for robust performance in steel turning, optimised for interrupted cuts and unstable setups. CVD-coated cemented carbide T9235 Optimised for interrupted cuts and unstable setups ISO CNMG120412 insert, rhombic 80° geometry 1.2 mm corner radius, 4.76 mm plate thickness Maximised productivity with a tough CVD-coated grade The combination of a CVD-coated surface and cemented carbide substrate delivers a durable edge that is particularly effective for steel turning at lower cutting speeds. This T9235 grade is formulated to resist wear while maintaining edge stability in harsher conditions, which translates into fewer indexings and longer tool life. The result is a measurable improvement in process economy through extended tool life and reduced tool-change frequency, supporting higher machine utilisation and predictable cycle times. Consistent performance under interrupted and unstable conditions A precisely shaped double-sided chipbreaker promotes stable chip formation even when the cut is discontinuous. The insert’s geometry reduces the risk of edge chipping and minimises vibration sensitivity, so finishing passes remain reliable despite less rigid setups. For operations where interruptions or part run-outs occur, this geometry helps to protect the cutting edge and maintain surface quality, reducing rework and supporting consistent production output. Clear compatibility and straightforward mounting Built to the ISO CNMG120412 format, the insert fits standard CNMG holders when the form, relief angle, tolerance class, fastening and thickness are matched. Key dimensions such as 4.76 mm plate thickness, 12 mm inscribed circle and 1.2 mm corner radius ensure predictable engagement with common toolholders. The rhombic plate form with a cylindrical hole supports secure clamping and repeatable positioning, simplifying inventory and holder selection across job changes. How to choose the right grade and chipbreaker for the operation Select the chipbreaker and grade according to workpiece material, machining stability and cutting strategy: the T9235 grade is suited for steels where toughness and edge security are prioritised over very high cutting speeds. For fine finishing or high-speed applications, consider a different coating or substrate tuned for those parameters. For tailored recommendations on which chipbreaker or holder matches a specific machining scenario, Metav Werkzeuge can provide application-oriented advice backed by machining data and experience. For tailored machining recommendations on the Tungaloy CNMG120412 T9235 insert, contact Metav Werkzeuge by email at info@metav-werkzeuge.com or by phone at +49 2822 7131930 to discuss holder compatibility and optimal cutting data. Technical Data Manufacturer article number: 6785917 Manufacturer SKU: TUN6785917 Internal SKU: 6785917-Tungaloy Model series: ISO turning indexable inserts Facts Plate size: 12 mm Plate thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Included angle: 80° Special features Grade: T9235 (CVD-coated cemented carbide) Double-sided chipbreaker Rhombic plate form with cylindrical hole Suitable for steel turning, interrupted cuts and unstable setups ISO CNMG120412 format, compatible with standard holders FAQ What materials is this insert best suited for? The CNMG120412 T9235 insert from Tungaloy is formulated primarily for machining steel, offering toughness and edge security for interrupted cuts. Can the insert be used on unstable machine setups? Yes, the geometry and double-sided chipbreaker improve chip control and edge protection, making the insert suitable for less rigid conditions and interrupted cutting. Which holder types are compatible with this insert? Compatibility depends on holder form, relief angle, tolerance class, fastening, size and thickness; the insert conforms to the ISO CNMG120412 standard and fits corresponding CNMG holders when these parameters match. How does the 1.2 mm corner radius affect the machining result? A 1.2 mm corner radius increases edge strength and reduces the tendency to chip, improving tool life and producing a robust surface finish on roughing passes. Is this insert single- or double-sided? The insert is double-sided, providing two usable cutting edges per index and offering economical usage in production environments. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120412 T9235 Wendeplatten - Tungaloy
Combine the toughness of the CVD-coated T9235 grade with a rhombic 80° geometry and a double-sided chipbreaker to secure stable chip control and longer tool life; order the insert via Metav Werkzeuge or consult their specialists for application advice. CNMG120412 T9235 — turning indexable insert by Tungaloy CNMG120412 T9235 is a rhombic, ISO-standard turning indexable insert intended for external and internal turning of steel under unstable or interrupted cutting conditions CVD-coated carbide grade T9235 Optimised for steel turning Double-sided chipbreaker for interrupted cuts Rhombic 80° geometry with cylindrical hole Consistent cutting performance where stability is limited The CVD-coated T9235 carbide composition delivers increased toughness, which is essential when machining steel at lower cutting speeds or under unstable conditions. The combination of the CVD-coated surface and hardened substrate reduces chipping and supports a predictable wear pattern, resulting in fewer unexpected tool changes. As a consequence, cycle times become more reliable and process planning benefits from reduced variability. For workshops seeking measurable productivity improvements, this grade offers a pragmatic balance between tool life and cutting-edge robustness. Secure clamping and ISO compatibility for predictable setups Compatibility with a toolholder depends on relief angle, form, tolerance class, fastening method, size and thickness; the rhombic CNMG120412 format, the cylindrical hole and the standard thickness ensure straightforward fitment in common clamping systems. This secure mechanical interface minimises vibration and micro-movements at the cutting edge, which translates directly into improved surface finish and repeatable results. Explaining technical terms: a cylindrical hole provides centralised clamping force and contributes to positional accuracy, while the rhombic shape enables a favourable engagement angle for external and internal turning tasks. Better surface quality and efficient chip control on steel The included double-sided chipbreaker is designed to shape and break chips effectively during interrupted and continuous cuts, reducing the risk of long, entangling swarf and improving machining safety. In steel turning applications, controlled chip formation also protects the cutting edge from thermal cycling and mechanical overload, which helps maintain surface integrity on the workpiece. The net effect is a combination of consistent component quality and lower machine downtime due to fewer workpiece rejections or secondary operations. Practical application advice and handling benefits Indexing capability and the double-sided layout permit multiple edge uses before regrinding or replacement is needed, supporting a more economical tooling strategy. The insert functions as part of a system consisting of the ISO insert, a matching external holder or boring bar, a support pad/clamping kit and replacement screws; selecting the correct chipbreaker and grade according to workpiece material and machine stability is essential for optimal results. For shops moving between stable and unstable set-ups, this insert offers the flexibility to maintain productivity without sacrificing process safety. Contact Metav Werkzeuge for compatibility checks and application-specific recommendations on Tungaloy turning inserts; reach the team at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: 6785794 Manufacturer SKU: TUN6785794 Model series: ISO turning indexable inserts Material: Cemented carbide Manufacturer: Tungaloy Core data ISO designation: CNMG120412 Size: 12 mm Thickness: 4.76 mm Relief angle: 0° Included hole: cylindrical Corner radius: 1.2 mm Cutting edge angle: 80° Grade: T9235 Design & features Rhombic insert shape Double-sided chipbreaker CVD-coated carbide Suitable application: turning Compatible with standard clamping systems FAQ What materials is this insert intended for? The CNMG120412 T9235 turning insert is formulated primarily for machining steel; the T9235 grade exhibits toughness that suits lower cutting speeds and interrupted cuts common in steel applications. How does the chipbreaker affect machining? The double-sided chipbreaker on this indexable insert shapes and breaks chips during cutting, improving chip evacuation and reducing the risk of chip entanglement in interrupted or unstable turning operations. Is the insert compatible with standard ISO holders? Compatibility is determined by holder form, relief angle, tolerance class, fastening and insert size/thickness; the ISO designation and cylindrical hole of this insert are intended to fit conventional clamping systems for CNMG-type holders. Can the insert be indexed to expose fresh edges? Yes, the insert’s double-sided design allows indexing to a fresh cutting edge, extending usable life before replacement or regrinding is required. What advantages does the CVD coating provide? The CVD-coated surface enhances wear resistance and reduces friction at the cutting interface, supporting longer edge life and more consistent performance in steel turning. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
Why indexable inserts are indispensable in modern machining
Indexable inserts, also known as cutting inserts or indexable cutting inserts, are standardised, replaceable cutting elements that mount on tool holders such as turning bits, milling cutters or drills. Made from wear-resistant materials like carbide, cermet, ceramic or other superhard grades, they carry the actual cutting edge and allow a worn corner to be rotated or flipped instead of replacing or regrinding the entire tool body.
How these inserts work and when to choose them
In everyday workshop and production settings, indexable inserts perform the direct material removal on the workpiece. Standard inserts for tool systems without internal coolant typically feature closed faces or a single central fixing hole, with heat evacuation handled by external machine nozzles. Inserts designed for systems with internal coolant are engineered to support coolant flow: they include calculated chipbreaker geometries that guide an internal coolant jet under the chip or, in specialised designs, contain sintered microchannels to direct coolant right to the cutting edge. Such coolant-compatible inserts are essential for machining heat-resistant alloys, heavy cutting operations and deep internal machining, where thermal load and chip control are critical.
Tangible benefits for production and workshop efficiency
Choosing the right indexable inserts delivers measurable operational advantages:
- Reduced downtime: faster changeover because a worn insert is simply indexed rather than the whole tool being replaced.
- Extended cutting-edge life: targeted coolant application and optimised chipbreaker design lower thermal stress and improve tool life.
- Consistent part quality: predictable cutting-edge geometry from standardised inserts maintains tolerances across batches.
- Versatility: availability in carbide, cermet, ceramic and superhard grades permits selection according to workpiece material and cutting conditions.
- Lower tooling costs over time: fewer full-tool replacements and less regrinding required.
Metav as a dependable source for inserts and tooling systems
Metav combines decades of precision expertise with a wide-ranging supply chain, positioning itself as a practical partner for industry, craft and trade. From Emmerich on the Rhine, Metav operates as a quality filter for the European market, offering more than 250,000 products and serving over 48,000 customers. For procurement teams aiming to reduce supplier count while retaining technical reliability, Metav’s assortment of indexable inserts and compatible tool holders provides a central, trustworthy solution.
Quick summary
Indexable inserts (cutting inserts or indexable cutting inserts) enable economical, repeatable material removal by allowing worn cutting edges to be indexed or replaced quickly; coolant-adapted designs further reduce thermal load and enhance chip control for demanding applications.
FAQ
What materials are indexable inserts available in?
Indexable inserts are available in wear-resistant grades such as carbide, cermet, ceramic and other superhard materials, selected according to the workpiece material and cutting conditions.
When should I choose inserts with internal coolant support?
Choose inserts designed for internal coolant when machining heat-resistant alloys, performing heavy cuts or working in deep internal features, because the coolant reduces thermal load at the cutting edge and actively improves chip breakage.
How do chipbreaker geometries affect performance?
Chipbreaker geometries on indexable inserts guide the chip flow and, when matched to an internal coolant jet, direct the coolant under the chip to control temperature and facilitate reliable chip formation, which extends edge life and stabilises machining.
Can standard inserts be used with external coolant only?
Yes; standard inserts for tool systems without internal coolant typically have closed faces or a central fixing hole and rely on external machine nozzles for heat evacuation, which is sufficient for many routine, accessible cuts.
Why source inserts through Metav?
Metav supplies a broad range of indexable inserts and tooling, backed by decades of expertise and a comprehensive European stock, making it a practical choice for consistent quality and dependable delivery.
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