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 4325 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! ✔️ WhatsApp: +49 170 2837271, ☎️ Phone: +49 2822 7131930, 📧 eMail: info@metav-werkzeuge.com Performance features inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412WMX4325-SANDVIK Facts and Figures: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 4325 with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. The mention of protected trademarks and trade names is for illustrative purposes only. Mention of the brands does not imply any relationship to our company. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120412-4325-Sandvik 40END
CNMG 120412 4325 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! ✔️ WhatsApp: +49 170 2837271, ☎️ Phone: +49 2822 7131930, 📧 eMail: info@metav-werkzeuge.com Features for indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412XM4325-SANDVIK Data/ Figures: ISO-Code: CNMG120412 Clearance Angle: 0° Thickness: 4,76mm Radius: 1.2 Special features Material: cemented carbide Grade: 4325 with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Registered trademarks and trade names are the property of their respective owners. Quotations of brand names and registered trademarks are for illustrative purposes only. Mention of the brands does not imply any relationship to our company. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120412-4325-Sandvik 40END
CNMG 120412 4325 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or are you still missing technical data?No problem, just contact us!!! ✔️ WhatsApp: +49 170 2837271 ☎️ Phone: +49 2822 7131930 📧 eMail: info@metav-werkzeuge.com Information on technical features indexable inserts CNMG 120412 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120412XMR4325-SANDVIK ISO-Code: CNMG120412 Grade: 4325 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 1.2 Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their rightful owners. Quotations of brand names and registered trademarks are for illustrative purposes only. Mention of the brands does not imply any relationship to our company. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120412-4325-Sandvik 40END
CNMG 120412 AH110 Wendeplatten - Tungaloy
Combine the PVD-coated carbide AH110 grade with the ISO CNMG 120412 form and the precise 1.2 mm corner radius to achieve consistent cutting performance and reliable edge life; order original Tungaloy inserts directly via Metav Werkzeuge or consult our advisers for application-specific setup. CNMG120412 AH110 — Turning insert (ISO CNMG 120412), rhombic 80°, PVD-coated carbide by Tungaloy The CNMG120412 AH110 is an ISO-standard indexable insert for external and internal turning, designed where a sharp cutting edge and high process reliability are required ISO-standard CNMG form, 80° rhombic PVD-coated carbide AH110 grade 1.2 mm corner radius for robust edges Double-sided insert with cylindrical hole Consistent cutting performance for steady production The CNMG120412 AH110 insert delivers wear resistance and edge stability through its PVD-coated carbide composition and the AH110 grade. The coating supports a sharp, durable cutting edge that reduces flank wear and maintains surface quality over longer tool life; this translates into fewer tool changes and steadier cycle times. The 80° rhombic geometry combined with a 1.2 mm corner radius provides a balance between strength and versatility, enabling reliable performance under varying cutting conditions while keeping vibration and edge chipping to a minimum. Easy integration into ISO turning systems for operational efficiency Compatibility with standard ISO holders is ensured by the insert’s form, thickness and mounting style; the cylindrical locating hole and standard dimensions make it straightforward to fit into existing toolstocks and clamping sets. The double-sided design effectively halves tooling expenditure per cutting edge and simplifies inventory management. Clear, ISO-based specifications reduce setup time and support predictable results in production environments that depend on repeatability and minimal downtime. Chip control and grade selection to match application demands The double-sided chipbreaker geometry is optimised for general turning tasks where a predictable chip form and controlled evacuation are required. Choose the chipbreaker and grade combination according to workpiece stability and machining parameters: the AH110 grade is specifically engineered for a sharp cutting edge with improved resistance to chipping, making it suitable when process security is a priority. For tailored recommendations on chip control or to match the insert to specific holder types and machining strategies, technical consultation is available to align the insert selection with production goals. Secure original Tungaloy inserts through Metav Werkzeuge — technical advice and availability at info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: 6811638 SKU: 6811638-Tungaloy Manufacturer SKU: TUN6811638 Series: ISO turning indexable inserts Data Corner radius: 1.2 mm Insert size: 12 mm Thickness: 4.76 mm Included angle: 80° Clearance (relief) angle: 0° Hole style: cylindrical Special features Shape: rhombic Coating / grade: AH110, PVD-coated Material: cemented carbide Chipbreaker: double-sided Mounting: with cylindrical locating hole Typical use: external and internal turning; select chipbreaker and grade to match workpiece stability and machining type FAQ What materials is this insert intended for? The CNMG120412 AH110 insert is a general-purpose indexable insert; the AH110 grade and PVD coating are optimised for applications requiring a sharp cutting edge and consistent process security. Can this insert be mounted in standard CNMG holders? Yes, the insert follows ISO CNMG dimensions and features a cylindrical locating hole, enabling compatible mounting in standard CNMG external holders and boring bars. How many usable cutting edges does the insert provide? The insert is double-sided; each side offers usable cutting edges, reducing per-edge tooling costs compared with single-sided alternatives. Does the AH110 grade offer improved resistance to chipping? The AH110 grade is specified for wear and fracture resistance while maintaining a sharp edge; this supports process reliability under demanding turning conditions. What corner radius should be selected for finishing versus roughing? The CNMG120412 comes with a 1.2 mm corner radius, which provides a compromise between edge strength and surface finish; smaller radii are typically chosen for finer finishing, larger radii for heavy cuts. 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 AH110 Wendeplatten - Tungaloy
Take advantage of the combination of a PVD-coated carbide grade for wear resistance, a double-sided chipbreaker for stable chip control and a standard ISO CNMG form for broad holder compatibility; order the insert via Metav Werkzeuge or contact the consultants for application advice. CNMG 120412 AH110 turning insert – PVD-coated carbide, 80° – Tungaloy CNMG120412 AH110 is an ISO rhombic indexable insert for turning, designed to deliver a sharp cutting edge and reliable process security in general turning operations. PVD-coated carbide grade AH110 Rhombic ISO CNMG 120412 form Double-sided chipbreaker for consistent chips Central cylindrical hole for secure clamping High-performance coating and substrate for extended tool life The combination of a PVD-coated surface with a carbide substrate ensures improved resistance to flank wear and crater wear, which extends tool life under productive turning conditions. The AH110 grade provides a balance between toughness and hardness that reduces the risk of edge chipping while maintaining a sharp cutting edge, resulting in fewer interruptions and more consistent cycle times. For shops prioritising process stability, this grade supports dependable results on a wide range of turning tasks. Geometry engineered for secure clamping and chip control The rhombic CNMG form with an 80° included angle offers predictable cutting forces and easy indexability in compatible holders. With a 1.2 mm corner radius and a 4.76 mm thickness, the insert provides a robust edge for medium to heavy cuts while helping to maintain dimensional stability. The insert is delivered with a central cylindrical hole, enabling secure fastening and repeatable seating in standard ISO toolholders. The double-sided chipbreaker simplifies chip formation and evacuation, which reduces the likelihood of built-up edge and improves surface finish on the workpiece. Practical benefits for production and quality Adopting this ISO-format insert supports higher uptime through its durable substrate and controlled chip formation, which reduces rework and inspection intervals. The standardisation of size and form streamlines tool inventory and replacement procedures, improving logistical efficiency on the shop floor. When paired with an appropriate external holder and clamping set, the insert helps to deliver consistent surface quality and predictable tool life, making it suitable for a variety of turning applications where process security is essential. For availability, application recommendations or to secure CNMG 120412 AH110 inserts from Tungaloy, contact Metav Werkzeuge for direct ordering or expert consultation via info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: 6802144 SKU: 6802144-Tungaloy Manufacturer SKU: TUN6802144 Manufacturer: Tungaloy Facts Corner radius: 1.2 mm Included angle: 80° Thickness: 4.76 mm Size: 12 mm ISO designation: 120412 Special features PVD-coated carbide Grade AH110 Rhombic CNMG form Double-sided chipbreaker Central cylindrical hole for clamping Compatible with ISO turning holders Clearance angle: 0° Intended use: turning FAQ What materials is this insert suitable for? The CNMG120412 AH110 Tungaloy turning insert is designed as a wear- and fracture-resistant grade suitable for a broad range of turning tasks; specific suitability depends on workpiece material, cutting data and stability. How does the AH110 grade improve process reliability? AH110 combines a PVD-coated surface with a carbide substrate to reduce edge chipping and extend cutting life, helping the Tungaloy CNMG120412 insert to maintain a sharp cutting edge and consistent performance. Is the insert indexable on standard holders? Yes, the ISO CNMG 120412 form and the central cylindrical hole enable secure and repeatable clamping in compatible external holders and boring bars; compatibility is determined by form, clearance, tolerance class and thickness. What are the advantages of the double-sided chipbreaker? The double-sided chipbreaker on this insert promotes controlled chip formation and evacuation, which supports stable cutting, improved surface finish and reduced risk of built-up edge during turning operations. Which SKU should be ordered for this item? Order using SKU 6802144-Tungaloy or reference the manufacturer SKU TUN6802144 when enquiring about the CNMG120412 AH110 Tungaloy turning insert. 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 AH120 Wendeplatten - Tungaloy
Benefit from the combination of a PVD-coated carbide grade for wear resistance, an 80° rhombic geometry for stable cutting and a 1.2 mm corner radius for consistent component quality; order the insert directly via Metav Werkzeuge or consult our specialists for application advice. CNMG120412 AH120 CNMG indexable insert for turning — PVD-coated carbide, 80° by Tungaloy A CNMG120412 AH120 indexable insert engineered for ISO-compliant external and internal turning, featuring a double-sided chipbreaker and a cylindrical mounting hole for secure clamping. PVD-coated carbide grade AH120 80° rhombic geometry 1.2 mm corner radius Double-sided chipbreaker and cylindrical hole Greater machining stability and longer tool life The PVD-coated carbide grade AH120 delivers a balance of wear resistance and edge strength that reduces unplanned tool changes and keeps cycle times steady. With a 1.2 mm corner radius and a geometry designed for secure cutting, the insert supports a sharp cutting edge while resisting chipping under interrupted cuts. This results in fewer reworks and a more predictable production flow, especially where process stability is critical. Improved surface finish and predictable chip control The 80° rhombic form combined with the double-sided chipbreaker offers controlled chip formation and stable contact conditions, which help to achieve consistent surface quality during both external and internal turning operations. The chipformer is designed to match common turning conditions; by promoting uniform chips the insert reduces the risk of chatter and improves repeatability across batches, delivering measurable quality gains on machined parts. Seamless integration into ISO tooling systems As an ISO-designated CNMG insert, compatibility with holders is defined by shape, relief angle, tolerance class, fastening and thickness. The cylindrical hole and standard dimensions (12 mm size, 4.76 mm thickness) allow fast replacement and straightforward inventory management. Using standard indexable tooling reduces setup complexity and shortens downtime, enabling quicker tool changes and easier interchange between machines. Application guidance and selection clarity Select the AH120 grade and the double-sided chipbreaker when a sharp cutting edge and process security are required; match the chipbreaker and grade to the workpiece material, machining stability and feed strategy for optimal results. The insert’s specification supports a wide range of turning tasks—external and internal—and is intended for users seeking reproducible performance and simplified tool logistics. Where uncertainty exists on tool pairing, the measured dimensions and ISO conformity make it simple to verify compatibility before commissioning. For assured process security with Tungaloy inserts such as the CNMG120412 AH120, contact Metav Werkzeuge for tailored recommendations and supply at info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: 6802182 Our SKU: 6802182-Tungaloy Manufacturer SKU: TUN6802182 Model series: ISO-Drehwendeschneidplatten Item name: CNMG120412 AH120 Tungaloy-Wendeplatte Facts Corner radius: 1.2 mm Insert size: 12 mm Thickness: 4.76 mm Insert angle: 80° Relief angle: 0° Manufacturer article number: 6802182 Special features Material: carbide Coating: PVD coating, grade AH120 Shape: rhombic (CNMG) Chipbreaker: double-sided Mounting: cylindrical hole Application: external and internal turning, ISO-compliant FAQ What holders are compatible with this insert? Compatibility is achieved with ISO CNMG holders that match the insert’s rhombic form, relief angle, tolerance class, fastening method, size (12 mm) and thickness (4.76 mm); verify holder specifications against the CNMG120412 dimensions. Is the AH120 grade suitable for interrupted cuts? The AH120 PVD-coated carbide grade is designed to be wear- and chipping-resistant, making the CNMG120412 suitable for applications where edge stability and process security are required, including many interrupted-cut scenarios. Can this insert be used on internal turning operations? Yes — the CNMG120412 is intended for both external and internal turning; the double-sided chipbreaker and rhombic geometry support reliable chip control in confined toolpaths. How does the corner radius affect finishing? A 1.2 mm corner radius balances edge strength and surface finish: it offers improved edge robustness compared with smaller radii while still delivering acceptable surface quality for many turning tasks. Is the insert indexable on both sides? The CNMG120412 is double-sided, providing two usable cutting edges per indexed position; this extends the effective service life before replacement. 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 AH120 Wendeplatten - Tungaloy
Take advantage of the combination of PVD-coated carbide durability, a double-sided chipbreaker and ISO‑standard geometry for reliable turning performance and fewer tool changes; order the article directly via Metav Werkzeuge or consult the specialists for application support. CNMG120412 AH120 — ISO indexable turning insert, PVD‑coated carbide by Tungaloy The CNMG120412 AH120 is an ISO‑standard indexable insert designed for external and internal turning applications, offering a sharp cutting edge and process security in a rhombic form with a cylindrical hole for secure clamping. PVD-coated carbide for wear and fracture resistance Double-sided chipbreaker for versatile turning ISO‑standard CNMG 120412 geometry, 80° cutting angle 1.2 mm corner radius for robust cutting edge Reliable cutting performance for demanding turning tasks The PVD-coated carbide grade AH120 is formulated for wear and fracture resistance, delivering a sharp cutting edge and consistent results when stability and process safety are required. The combination of a precision coating and a hard substrate reduces flank wear and helps preserve the cutting edge across prolonged cycles. With a double-sided chipbreaker, the insert supports controlled chip formation in a variety of turning operations, improving machining stability and reducing unplanned interruptions. These attributes translate into measurable savings through reduced tool changes and more predictable cycle times. Predictable tool life and efficient machining economics A coated, wear‑resistant grade such as AH120 contributes directly to economy in production: fewer tool swaps, extended intervals between indexations and steadier surface quality. The robust 1.2 mm corner radius balances edge strength with cutting performance, making the insert suitable for both medium and heavier roughing cuts where edge robustness is critical. Because the chipformer is double‑sided, the insert can be indexed to present fresh cutting edges without replacing the insert, which supports uptime and lowers consumable cost per workpiece while maintaining consistent dimensional results. Fast integration into ISO tooling systems for reliable set‑ups Compatibility with toolholders is ensured by adhering to ISO geometry: the insert’s 12 mm inscribed circle, rhombic form, 4.76 mm thickness and cylindrical hole match common clamping designs. The specified 80° included angle directs cutting forces predictably and the 0° relief angle detail defines seating and clearance with the holder. When selecting an insert, ensure the holder matches these parameters — form, relief/clearance, tolerance class, fastening and thickness — to guarantee secure clamping and repeatable positioning. The standardised format simplifies tool‑change procedures and reduces setup variability in production environments. Practical selection advice and application guidance Use this insert series for both external and internal turning; select the chipbreaker and grade according to the workpiece material, machining method and machine‑tool stability. The PVD-coated AH120 grade is aimed at applications where a sharp edge and reliable process behaviour are needed; it is especially suitable when consistent surface finish and long tool life are priorities. For complex setups or special materials, match holder geometry and clamping elements precisely and consider trial cuts to confirm feeds and speeds under real machining conditions. If supplementary technical data or machining examples are required, Metav Werkzeuge can provide tailored recommendations. Contact Metav Werkzeuge for application‑specific advice or to request the Tungaloy CNMG120412 AH120 indexable insert (SKU TUN6810109) via info@metav-werkzeuge.com or call +49 2822 7131930 for prompt, expert support Technical data Manufacturer article number: 6810109 SKU: 6810109-Tungaloy Manufacturer SKU: TUN6810109 Brand: Tungaloy Core data Inscribed circle: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Included angle: 80° Design & features Shape: rhombic Hole: cylindrical Coating / grade: AH120 (PVD-coated carbide) Material: carbide Chipbreaker: double-sided Series: ISO‑Drehwendeschneidplatten Application: turning FAQ What turning tasks is this insert best suited for? This CNMG120412 AH120 indexable insert is designed for external and internal turning where a sharp cutting edge and process security are required; it performs well in stable setups and general turning applications. How does the AH120 grade influence performance? The AH120 grade provides enhanced wear and fracture resistance through a PVD coating on a carbide substrate, improving edge life and ensuring more consistent cutting behaviour under continuous operation. How can compatibility with a toolholder be ensured? Compatibility depends on matching form, relief/clearance angle, tolerance class, fastening, size and thickness; the insert features a 12 mm inscribed circle, 4.76 mm thickness and a cylindrical hole to fit compatible ISO holders (refer to SKU TUN6810109 for ordering). Is the insert indexable and how is chip control handled? Yes — the insert is double‑sided, allowing indexation to use fresh cutting edges; chip control is provided by the integrated double‑sided chipbreaker suitable for various turning conditions. What geometric details affect cutting behaviour? The rhombic form with an 80° included angle and a 1.2 mm corner radius affects cutting force distribution and edge strength; these parameters influence chip flow, surface finish and the range of suitable feeds and depths of cut. 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 AH120 Wendeplatten - Tungaloy
Take advantage of the combination of a PVD-coated carbide grade and a double-sided chipbreaker for consistent, high-productivity turning; order the CNMG 120412 AH120 indexable insert directly via Metav Werkzeuge or ask our consultants if needed. CNMG 120412 AH120 indexable insert for turning — Tungaloy, PVD-coated carbide, double-sided chipbreaker The CNMG120412 AH120 indexable insert is designed for external and internal turning, offering a wear- and fracture-resistant PVD-coated carbide grade for stable, reproducible machining in a wide range of turning applications. PVD-coated carbide for wear resistance Double-sided chipbreaker for versatile turning ISO CNMG120412 format, 80° rhombic geometry Cylindrical hole and 1.2 mm corner radius Predictable cutting performance for efficient turning The insert’s PVD-coated carbide grade delivers consistent cutting-edge stability, which reduces variability in production and supports predictable cycle times. The AH120 grade is designed to resist wear and chipping, so the cutting edge remains sharp longer; this translates into fewer tool changes and improved machine utilisation. For operations that demand steady metal removal rates, the combination of coating and carbide substrate offers a reliable basis for process planning and cost-efficiency. Robust grade and chip control that protect the workpiece Equipped with a double-sided chipbreaker, the insert controls chip formation for safer evacuation and reduced risk of workpiece damage. The chipbreaker geometry is optimised to produce manageable chip shapes at typical turning feeds, improving surface finish and minimising secondary operations. The 1.2 mm corner radius balances edge strength and finishing capability, allowing for robust cuts while still achieving a controlled surface quality on most steels and alloyed materials. System compatibility and simple integration into ISO setups The rhombic ISO CNMG120412 format and the cylindrical hole ensure straightforward mechanical location in standard CNMG toolholders; compatibility depends on holder form, clearance angle, tolerance class, fixation method, size and thickness. The 4.76 mm plate thickness contributes to rigidity at the cutting edge, supporting stable machining in both external and internal turning. Integrating this insert into a well-matched holder and clamping kit reduces vibration and improves repeatability across serial production. Practical benefits for workshop productivity Selecting the right grade and chipbreaker for the material and machining conditions reduces downtime and improves yield. The insert’s wear resistance supports longer tool life and more consistent part quality, while the ISO format simplifies inventory management across a fleet of machines. For production-minded shops, the reduced frequency of indexings and replacements helps sustain throughput and lowers the total cost of ownership for turning operations. For consistent, high-productivity turning with Tungaloy inserts, contact Metav Werkzeuge to source the CNMG 120412 AH120 and receive application-specific recommendations — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6802195 Manufacturer SKU: TUN6802195 SKU: 6802195-Tungaloy Model series: ISO-Drehwendeschneidplatten Material: Hartmetall Facts Corner radius: 1.2 mm Approach angle: 80° Plate thickness: 4.76 mm Plate size: 12 mm Clearance angle: 0° Special features PVD-coated carbide grade AH120 Double-sided chipbreaker Rhombic plate form (CNMG) Cylindrical locating hole Suitable for external and internal turning ISO CNMG120412 compliant FAQ What materials is this insert suitable for? The CNMG 120412 AH120 insert with its PVD-coated carbide grade is intended for a broad range of turning tasks and performs well on steels and many alloyed materials where wear resistance and edge security are required. How does the AH120 grade affect tool life? The AH120 PVD-coated grade improves wear resistance and reduces the risk of edge chipping, which typically extends the effective tool life of the insert in continuous turning operations. Is the insert compatible with standard CNMG toolholders? Yes, the CNMG120412 format and cylindrical hole allow mechanical location in standard CNMG holders; compatibility must be confirmed by matching holder form, clearance angle, tolerance class, fixation and plate thickness. Can this insert be used for finishing cuts? With a 1.2 mm corner radius and a controlled chipbreaker, the insert can be employed for light to medium finishing operations while still providing sufficient edge strength for semi-finishing passes. How many cutting edges are available per insert? This is a double-sided indexable insert; each side provides cutting edges according to the CNMG geometry, enabling economical use of the rotating edges before replacement. 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 AH120 Wendeplatten - Tungaloy
Take advantage of the PVD-coated AH120 grade and the ISO CNMG120412 form for reliable, high-performance turning: wear-resistant carbide with a sharp cutting edge ensures consistent surface quality and longer tool life while ISO compatibility simplifies holder selection. Order the inserts directly via Metav Werkzeuge or ask the consultants for tailored cutting-data recommendations. CNMG120412 AH120 Tungaloy indexable turning insert — PVD-coated carbide, 80° rhombic geometry The CNMG120412 AH120 Tungaloy insert is an ISO-standard indexable insert engineered for general external and internal turning where a sharp cutting edge and process security are required CNMG ISO form for standardised holder compatibility PVD-coated carbide AH120 for wear resistance Double-sided chipbreaker for stable chip control Rhombic 80° geometry with cylindrical hole Consistent machining results through ISO compatibility The ISO CNMG form guarantees predictable mounting and repeatable positioning in standard indexable holders, which reduces setup time and minimises variables that affect batch-to-batch consistency. With clearly defined form, clearance angle, tolerance class and thickness, the insert supports stable clamping and simplifies tool management on the shop floor. This ISO compatibility is particularly useful for production environments that require fast changeovers and consistent dimensional accuracy. Longer tool life with PVD-coated AH120 carbide The AH120 grade combines a wear-resistant PVD-coated carbide substrate with a composition optimised for turning. The coating enhances oxidation and abrasion resistance, extending the interval between indexings and replacements. As a result, cycle times remain stable and component finish is maintained for longer. The material choice is aimed at balancing edge toughness and durability, delivering a measurable improvement in overall tool economy for medium-duty turning operations. Sharp cutting edge for demanding turning operations A well-defined cutting edge delivers clean shearing and improved surface quality. The insert’s geometry preserves a sharp cutting edge while the carbide substrate resists edge degradation under typical cutting loads. This leads to predictable chip formation and a reduction in rework. For manufacturers targeting consistent finishes and tight tolerances, the combination of geometry and grade supports reliable performance across a range of feed and speed settings. Secure clamping, simple indexing and efficient tool handling The rhombic form with an 80° approach angle and a cylindrical hole allows positive clamping and correct seat alignment in compatible holders. The insert is double-sided, providing two usable cutting edges per index and reducing tooling costs per component. The standardised dimensions and hole style simplify inventory and spare-part handling, making it straightforward to replace worn inserts without additional adjustments to the holder or machine set-up. Improved chip control and surface finish The double-sided chipbreaker helps control chip flow and reduces the risk of entanglement or workpiece damage, especially on uninterrupted turning passes. Better chip control contributes directly to improved surface finish and operator safety. Selecting the appropriate chipbreaker and grade for the workpiece material and machining conditions enhances process security and helps maintain cycle-time targets for serial production. Practical selection and shop-floor integration Designed for general turning tasks, the insert integrates smoothly into existing tool systems that accept CNMG geometry. For optimal results, match the chipbreaker and AH120 grade to the specific workpiece material and machining stability. If uncertainties arise regarding holder compatibility or cutting-data settings, technical consultation is available to define the ideal combination of insert, holder and cutting parameters for the intended application. Contact Metav Werkzeuge to discuss suitability, cutting parameters and stock availability for the Tungaloy CNMG120412 AH120 indexable inserts and to request personalised technical guidance Technical data Article number: 6811636 Manufacturer article number: 6811636 Manufacturer SKU: TUN6811636 SKU: 6811636-Tungaloy Model series: ISO-Drehwendeschneidplatten Designation: CNMG120412 AH120 Tungaloy-Wendeplatte Facts Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 mm Wedge angle: 80° Clearance angle: 0° Special features Material: PVD-coated carbide (AH120) Double-sided chipbreaker Rhombic plate form (CNMG) Cylindrical hole for standard clamping ISO-standard indexable insert for turning Suitable for external and internal turning applications FAQ Which machining operations is this insert designed for? The CNMG120412 AH120 Tungaloy insert is intended for turning operations, covering both external and internal turning where a sharp cutting edge and process security are required. What are the key dimensions of the insert? The insert has a corner radius of 1.2 mm, a plate thickness of 4.76 mm and a plate size of 12 mm; the wedge angle is 80° and the clearance angle is 0°. How does compatibility with holders work? Compatibility depends on ISO form, clearance angle, tolerance class, fastening method, size and thickness; the CNMG form and cylindrical hole are standardised to fit common external holders and boring bars. What coating and grade does the insert use and what are the benefits? This insert uses the AH120 PVD-coated carbide grade, providing enhanced wear resistance and edge stability for longer tool life and more consistent surface quality. Is the insert indexable and how many cutting edges are available? Yes, the insert is double-sided and indexable, offering multiple cutting edges per insert to reduce tooling costs and downtime. 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 AH120 Wendeplatten - Tungaloy
Benefit from the combination of a PVD‑coated carbide grade AH120, a sharp, wear‑resistant cutting edge and a robust rhombic 80° geometry that supports reliable external and internal turning. Order the CNMG120412 AH120 insert directly via Metav Werkzeuge or consult our specialists for process-specific recommendations. CNMG120412 AH120 indexable insert for Turning — Tungaloy The CNMG120412 AH120 is an ISO‑standard rhombic indexable turning insert designed for external and internal turning applications, offering a balance of edge security and repeatable performance. PVD-coated carbide grade AH120 Sharp, wear- and chip-resistant edge Rhombic CNMG form with 80° cutting angle Cylindrical hole and double-sided chipbreaker Consistent cutting performance through PVD-coated carbide The combination of PVD coating and a carbide substrate provides enhanced wear resistance and reduced notch sensitivity, which translates into longer tool life under continuous turning. This insert grade is engineered for situations where a sharp cutting edge and process security are required together; the coating stabilises the cutting edge at elevated temperatures and helps to maintain consistent component quality across runs. Selecting a grade with these properties reduces the risk of premature edge breakdown and supports predictable tool change intervals. Geometry engineered for edge strength and surface quality The rhombic CNMG geometry with an 80° cutting angle and a 1.2 mm corner radius improves edge robustness while maintaining accessibility for both external profiles and internal features. The 4.76 mm plate thickness increases bending stiffness in the assembly and helps to reduce chatter on less rigid setups. Together, these geometric parameters support improved surface finish and dimensional control in turning operations, particularly when stability and repeatability are priorities. System compatibility and economical indexing This insert conforms to ISO dimensions, ensuring compatibility when choosing a suitable external holder or boring bar: compatibility is determined by form, clearance angle, tolerance class, clamping method, size and thickness. The double‑sided chipbreaker allows indexing to fresh edges, reducing the cost per edge and enabling efficient use of inventory. The presence of a cylindrical hole supports secure clamping with standard clamping sets and replacement screws, simplifying maintenance and minimising downtime. Practical selection advice and application fit For optimal results, match the chipbreaker and grade to the workpiece material and the chosen cutting parameters; the right combination balances productivity and tool life. The insert is well suited to turning applications where process reliability and a sharp edge are demanded. When in doubt about holder compatibility or selection of cutting data, consult technical documentation or the supplier to align the ISO insert geometry and grade with machine rigidity and workpiece requirements. For tailored advice on Tungaloy PVD‑coated inserts and to ensure optimal process reliability, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6854303 SKU: 6854303-Tungaloy Manufacturer SKU: TUN6854303 Material: Carbide Model series: ISO indexable turning inserts Facts Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 mm Cutting angle: 80° Clearance angle: 0° Special features Grade: AH120 PVD coating Rhombic plate form (CNMG) Cylindrical hole Double-sided chipbreaker ISO‑standard geometry FAQ Which materials is the CNMG120412 AH120 insert suited to machine? The CNMG120412 AH120 insert, with its PVD‑coated carbide grade, is designed for turning tasks that require a sharp, wear‑resistant edge; selection of the chipbreaker should be matched to the specific workpiece material and process for best results. Is the insert reversible or indexable? Yes, the insert features a double‑sided chipbreaker and an ISO rhombic form, allowing indexing to fresh cutting edges to extend usable life and improve cost efficiency. What are the critical dimensions to check for holder compatibility? Key dimensions include the plate size (12 mm), plate thickness (4.76 mm), corner radius (1.2 mm) and the 80° cutting angle; compatibility additionally depends on form, clearance angle and clamping method. How does the AH120 grade influence machining stability? The AH120 grade combines a PVD coating with a carbide substrate to improve wear resistance and edge stability, supporting process security where consistent cutting performance is required. Can this insert be used for both external and internal turning? Yes, the ISO‑standard rhombic geometry and the 80° cutting angle make the insert suitable for both external and internal turning applications, provided an appropriate holder is chosen. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the combination of a sharp, stable cutting edge and universal PVD-coated carbide for reliable throughput in rostfreier Stahl turning; order the CNMG120412 AH6225 turning insert directly from Metav Werkzeuge or consult their technical team for tailored advice. CNMG120412 AH6225 turning insert, PVD-coated carbide — Tungaloy A CNMG120412 AH6225 ISO-standard rhombic insert engineered for external and internal turning, optimised for rostfreier Stahl and medium-duty, variable machining conditions. *PVD-coated carbide grade AH6225 *Optimised for rostfreier Stahl *Rhombic CNMG geometry, 80° included angle *Double-sided chipbreaker with cylindrical hole Reliable cutting performance for rostfreier Stahl components The PVD-coated AH6225 grade delivers a sharp yet durable cutting edge designed specifically for machining rostfreier Stahl in mixed production environments. The coating improves wear resistance and helps maintain cutting geometry under fluctuating cutting forces, which results in more consistent surface finishes and fewer insert changes. The insert’s corner radius 1.2 mm and rhombic CNMG form provide a balance between edge strength and form accuracy, making it suitable for both profile turning and finishing operations with predictable results. Seamless integration into ISO tool systems for predictable setups Built to the ISO-DIN geometry, this insert ensures compatibility with a wide range of standard holders when form, free angle, tolerance class, fastening method, size and thickness match. The presence of a cylindrical central hole supports secure clamping and repeatable seating, reducing setup variability. Using ISO-conforming components simplifies tool inventory and shortens setup times, enabling faster changeovers and a more reliable production flow. Economical operation through wear resistance and indexability The PVD coating combined with a tough carbide substrate enhances edge life under medium cutting conditions, lowering insert consumption and tool-change frequency. The double-sided design provides multiple indexed edges per insert, improving cost-efficiency per cutting length without sacrificing quality. Measurable features such as the 4.76 mm plate thickness, 12 mm size, and 80° included angle contribute to mechanical stability during cuts, reducing vibration and delivering consistent dimensional accuracy across serial parts. Practical guidance for grade and chipbreaker selection Select the double-sided chipbreaker version and the AH6225 grade when machining rostfreier Stahl where stable chip control and a moderate feed range are required. For unstable setups or heavy interrupted cuts, opt for a larger corner radius or a more robust holder to enhance support. The insert’s 0° clearance angle and rhombic form make it versatile for both external turning and internal operations when used with the appropriate boring bar. For process planning and choice of holder, Metav Werkzeuge’s technical team can advise on matching form and tolerance class to the intended application. Contact Metav Werkzeuge for personalised recommendations on using the CNMG120412 AH6225 insert and to arrange supply; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6946677 Manufacturer SKU: TUN6946677 SKU: 6946677-Tungaloy Model series: ISO-Drehwendeschneidplatten Designation: CNMG120412 AH6225 Tungaloy insert Dimensions & angles Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 mm Included angle: 80° Free angle: 0° Design & features Shape: rhombic (CNMG) Chipbreaker: double-sided Hole: with hole, cylindrical hole Material/coating: PVD-coated carbide Typical application: turning (external and internal) FAQ What materials is this insert suited for? The CNMG120412 AH6225 insert from Tungaloy is intended primarily for rostfreier Stahl and offers a balance of edge sharpness and stability for medium machining tasks. How is clamping achieved with this insert? Clamping is achieved via the central cylindrical hole and the ISO seating geometry; the design supports secure, repeatable mounting in compatible holders. How many useful cutting edges are available per insert? The double-sided CNMG geometry allows multiple indexable edges per insert; actual count depends on the chosen indexing strategy and wear criteria for the application. Is this insert compatible with standard ISO CNMG holders? Yes. The CNMG120412 AH6225 is ISO-standard and is compatible with holders that match form, size, thickness, free angle and tolerance class. What are the key dimensional values to check when selecting a holder? Refer to the 12 mm plate size, 4.76 mm thickness, 1.2 mm corner radius and the 80° included angle to ensure proper fit and seating. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the combination of a sharp, stable cutting edge and universal PVD grade for consistent performance in medium turning operations — order directly via Metav Werkzeuge or consult the team for application-specific advice. CNMG 120412 AH6225 turning indexable insert by Tungaloy CNMG120412 AH6225 is a rhombic, ISO‑standard turning indexable insert designed for robust external and internal turning in medium machining. PVD-coated carbide grade AH6225 Universal for rostfreier Stahl turning Rhombic CNMG 80° geometry Double-sided with cylindrical hole High-performance grade optimised for rostfreier Stahl The cutting grade AH6225 is a PVD‑coated carbide engineered as a universal solution for machining rostfreier Stahl. Its specification targets a balance between a sharp cutting edge and edge stability under varying conditions, which reduces tool changes and increases productivity in batch and mixed-production environments. The coating improves wear resistance and adhesion of the cutting edge, contributing to longer effective tool life and more predictable process windows during medium turning operations. Geometry and edge design for reliable chip control and surface quality The rhombic geometry with an included angle of 80° and a corner radius 1.2 mm provides a compromise between cutting edge strength and dimensional control. The double-sided chipbreaker topology supports both external and internal turning and is suited to handle the typical chip behaviour of rostfreier Stahl, helping to avoid built-up edge and improving surface finish. This geometry also simplifies inventory by allowing indexed re‑use of the cutting edges, maintaining consistent results across repetitive production runs. Practical compatibility and handling in the workshop Compatibility with toolholders is determined by form, clearance angle, tolerance class, fixing method, size and thickness; this insert uses a cylindrical hole for secure clamping and a plate thickness 4.76 mm for mechanical stability. The insert conforms to ISO dimensions for straightforward replacement and integration into existing toolholder systems. For process planning, select a matching holder and clamping set that respects the insert’s geometry and tolerance class to fully leverage the grade’s stability and wear properties. For selection advice tailored to specific rostfreier Stahl alloys or for help matching holders and clamping sets for the Tungaloy CNMG120412 AH6225 insert, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for a precise recommendation Technical data Article number: 6796303 Manufacturer article number: 6796303 SKU: 6796303-Tungaloy Manufacturer SKU: TUN6796303 Model series: ISO-Drehwendeschneidplatten Material: Carbide Facts Corner radius: 1.2 mm Clearance angle: 0° Included angle: 80° Plate thickness: 4.76 mm Size: 12 mm Special features Grade/coating: AH6225 (PVD-coated carbide) Geometry: rhombic CNMG (ISO designation CNMG120412) Chipbreaker: double-sided Hole: cylindrical hole (with hole) Application: Turning, external and internal Designed for rostfreier Stahl FAQ What materials is this insert suitable for? The CNMG120412 AH6225 insert from Tungaloy is formulated as a universal grade for machining rostfreier Stahl and covers a broad range of stainless applications. What coating and substrate does the insert use? The insert features a PVD‑coated carbide substrate; the AH6225 grade combines a wear‑resistant coating with a stable carbide core for medium turning. Is the insert double-sided or single-sided? This ISO rhombic insert is double‑sided with a cylindrical hole, allowing indexing of both faces to extend tool life and reduce operating costs. Which geometry and corner radius are specified? The insert has an 80° included angle with a corner radius of 1.2 mm, offering a balance between edge strength and achievable surface finish. How is holder compatibility ensured? Compatibility depends on holder form, clearance angle, tolerance class, fixing method, size and thickness; match these parameters to the CNMG120412 AH6225 insert and use an appropriate clamping set and replacement screws. 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 AH6225 Wendeplatten - Tungaloy
Reliable PVD-coated AH6225 grade, precise CNMG 120412 geometry and a 1.2 mm nose radius combine to deliver stable cutting-edge life and consistent performance in stainless-steel turning. Order this insert directly via Metav Werkzeuge or consult our specialists for tailored application advice and tooling recommendations. CNMG120412 AH6225 Tungaloy indexable insert – PVD-coated carbide, 80° rhombic CNMG120412 AH6225 is an ISO-compliant indexable turning insert engineered for medium-duty stainless-steel turning and reliable chip control CNMG 120412 geometry, 80° rhombic PVD-coated carbide AH6225 grade Double-sided chipbreaker, through-hole Suitable for stainless steels and medium-duty turning High-performance grade for demanding stainless-steel work The AH6225 grade combines a precise PVD coating with a carbide substrate to provide a stable cutting edge at moderate cutting parameters. Designed specifically for machining stainless steels, the grade reduces the tendency for built-up edge and supports consistent surface finish across variable batch conditions. As a result, cycle times are more predictable and insert changes become less frequent, contributing to measurable productivity gains in serial turning operations. Geometry tailored for rigidity and repeatability The rhombic CNMG form with an 80° geometry and a 1.2 mm nose radius delivers a dependable compromise between strength and detail. The 4.76 mm plate thickness and the through-hole (cylindrical) ensure secure clamping and repeatable positioning in ISO-compatible holders. These geometry choices improve resistance to flank wear and help maintain dimensional accuracy on both internal and external bores. The result is reduced rework and a steadier process window for production runs. Built for uptime and efficient material removal A double-sided chipbreaker combined with the reindexable insert format increases effective tool life and lowers per-part tooling cost. The PVD-coated surface improves thermal resistance and wear behaviour, while the insert’s design supports stable swarf formation for reliable evacuation. For turning operations where consistent performance and low tooling overhead are priorities, this configuration provides a pragmatic balance of removal rate, finish quality and service intervals. System compatibility and practical handling benefits Supplied as an ISO-standard turning insert, the component integrates into a system consisting of the insert, a suitable external holder or boring bar, a support/clamping set and replacement screws. The rhombic shape, central hole and defined tolerance classes simplify inventory management and permit quick index changes on the shop floor. For more complex setups or unconventional workpiece materials, technical guidance is available to confirm holder selection and cutting data before committing to production. For application support, tool selection or to obtain the correct CNMG120412 AH6225 Tungaloy insert for a specific turning task, contact Metav Werkzeuge by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930 for expert advice and prompt assistance. Technical data Article number: 6946689 Manufacturer SKU: TUN6946689 Item SKU: 6946689-Tungaloy Model series: ISO turning indexable inserts Manufacturer: Tungaloy Core specifications Insert designation: CNMG120412 Size: 12 mm Thickness: 4.76 mm Nose radius: 1.2 mm Relief angle: 0° Corner angle: 80° Hole style: cylindrical through-hole Features / Applications Shape: rhombic Grade: AH6225 Coating: PVD Material: carbide Chipbreaker: double-sided Typical use: turning (external and internal) Compatibility: ISO holders and boring bars FAQ What materials is this insert suitable for? The CNMG120412 AH6225 is optimised for machining stainless steels; the AH6225 grade and PVD coating help control built-up edge and provide reliable performance on a wide range of austenitic and ferritic stainless materials. Can the insert be reindexed to extend service life? Yes, the rhombic CNMG geometry is double-sided and reindexable, allowing the insert to be rotated to fresh cutting edges, which effectively extends the useful life of each insert. Which holder type is required for secure clamping? ISO-compatible external holders or boring bars that accept CNMG inserts with a central cylindrical through-hole are suitable; clamping must match the insert form, relief angle and tolerance class for optimal results. What are the key dimensions to check before ordering? Confirm the insert designation CNMG120412, size 12 mm, thickness 4.76 mm, and nose radius 1.2 mm when selecting a replacement to ensure compatibility with existing tooling. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the combination of a PVD-coated AH6225 grade, an 80° rhombic geometry and a 1.2 mm corner radius for consistent performance when machining stainless steel; order genuine Tungaloy inserts via Metav Werkzeuge or consult the technical team for application-specific guidance. CNMG120412 AH6225 CNMG ISO 120412 turning insert for external and internal turning — Tungaloy A CNMG120412 AH6225 indexable turning insert engineered for ISO-compatible holders, delivering a sharp yet stable cutting edge for medium turning operations in stainless steel. PVD-coated carbide for stainless steel machining 80° rhombic geometry for versatile turning Cylindrical hole for secure clamping Sharp and stable cutting edge for medium cuts Precision and material fit for reliable cutting performance The insert’s PVD-coated AH6225 grade combines a hard coating with a tough carbide substrate to balance wear resistance and edge integrity when machining stainless steel. The selection of this grade reduces the risk of rapid edge chipping under variable conditions and supports longer uninterrupted cycles. Designed to the ISO geometry standard, the insert ensures predictable engagement angles and repeatable results on modern turning centres, which contributes to stable process windows and improved throughput. Robust geometry and dimensional features that aid stability With an 80° rhombic shape and a 1.2 mm corner radius, the geometry provides a compromise between form strength and cutting accessibility. The 4.76 mm plate thickness and the standard 12 mm inscribed circle size enhance rigidity in both external and internal turning setups, while the cylindrical hole supports secure, concentric clamping. These dimensional characteristics reduce vibration and deflection, translating into improved surface finish and fewer rework cycles when paired with a correctly matched holder and clamping set. Chip control and edge behaviour for efficient turning The double-sided chipbreaker design promotes consistent chip formation across a range of cutting depths, helping to maintain process stability in interrupted or continuous cuts. The combination of a sharp geometry and a stable cutting edge allows the insert to perform effectively in medium machining tasks where changeable conditions occur. This behaviour supports higher productive uptime and can lower the frequency of insert changes, improving overall operational economy. Choosing the right setup and ensuring compatibility Compatibility with a turning holder or boring bar depends on form, clearance angle, tolerance class, fastening method, size and thickness; therefore the ISO designation simplifies selection across manufacturers. When selecting the ideal chipbreaker and grade, match the AH6225 characteristics to the workpiece material and machine rigidity for optimal results. For complex mixes of operations, consider holders that provide extra support or reduced overhang to fully exploit the insert’s stability advantages. For reliable machining of stainless steel with a consistent cutting edge, contact Metav Werkzeuge for original Tungaloy CNMG120412 AH6225 inserts and tailored application advice — eMail: info@metav-werkzeuge.com, Tel: +49 2822 7131930 Technical data Article number: 6890234 Manufacturer article number: 6890234 SKU: 6890234-Tungaloy Manufacturer SKU: TUN6890234 Model series: ISO turning inserts Designation: CNMG120412 AH6225 Facts Inscribed circle: 12 mm Plate thickness: 4.76 mm Corner radius: 1.2 mm Clearance angle: 0° Main angle: 80° Special features Material: carbide Coating: PVD-coated (AH6225 grade) Hole: with cylindrical hole Chipbreaker: double-sided Plate shape: rhombic Application: external and internal turning; suited for stainless steel System: ISO insert requires matching holder, base and clamping set FAQ What materials is this insert intended for? The CNMG120412 AH6225 insert is specified for machining stainless steel, where the PVD-coated AH6225 grade offers a balance of wear resistance and edge stability. How does the 80° rhombic geometry affect machining? An 80° rhombic geometry provides versatility for both external and internal turning, offering accessibility to shoulders and better form strength for medium cutting tasks. What does the cylindrical hole mean for clamping? The cylindrical hole enables reliable axial positioning and clamping with compatible holders and clamping sets designed for ISO inserts, improving repeatability and concentricity. Is the chipbreaker suitable for mixed operations? The double-sided chipbreaker is designed to maintain consistent chip formation across varied cutting depths, making it appropriate for a range of medium turning operations. How to ensure the insert fits my holder? Fit is governed by ISO geometry, clearance angle, tolerance class, size and thickness; confirm these parameters against the holder specifications and the insert designation. 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 AH6225 Wendeplatten - Tungaloy
Reliable PVD-coated carbide insert offering a precise balance of sharpness and edge stability for medium-duty turning of stainless steels. The ISO-compliant geometry and double-sided design support efficient indexing and consistent cycle times. Order the insert directly via Metav Werkzeuge or ask our consultants if clarification is required. CNMG120412 AH6225 indexable insert for turning (Tungaloy) — PVD-coated carbide, 80° geometry The CNMG120412 AH6225 is an ISO-standard, rhombic indexable insert designed for external and internal turning, delivering repeatable performance in medium machining of stainless steels. CNMG120412 geometry, 80° cutting angle PVD-coated carbide AH6225 for stainless steel Double-sided insert with cylindrical hole 1.2 mm corner radius for stable cutting edge Consistent geometry and simple holder compatibility for stable production The ISO-standard shape and clear dimensional definition ensure straightforward compatibility with standard external holders and boring bars, reducing setup time and rejects. The 80° geometry and rhombic shape provide a reliable balance between clearance and rigidity, while the 1.2 mm corner radius supports a durable cutting edge under varying cutting conditions. These characteristics translate into more predictable cycle times and fewer tool changes, which is particularly valuable for batch production where reproducibility is essential. Increased tool life and process security from AH6225 PVD-coated grade The PVD-coated AH6225 grade is a universal carbide formulation optimised for stainless steels, offering a sharp yet robust cutting edge for medium machining. The coating improves wear resistance and reduces built-up edge formation, which helps to preserve surface finish and dimensional accuracy over longer runs. Combined with the double-sided chipbreaker, this insert maintains consistent chip control and surface quality, thereby reducing rework and increasing overall process reliability. Practical handling and usable design for internal and external turning The insert’s double-sided design and the cylindrical hole allow quick indexing and secure clamping without special adaptations, supporting a low-cost, low-complexity tool system. With a plate thickness of 4.76 mm and an insert size of 12 mm, the component is suited to medium-duty operations where a balance of stiffness and access is required. Typical applications include both convex external passes and internal finishing cuts; choosing the chipbreaker and grade according to workpiece material and fixture stability yields the best results. If further machining data or cutting parameter recommendations are needed, the technical team at Metav Werkzeuge can provide tailored guidance. Contact Metav Werkzeuge for personalised application advice and reliable supply of the CNMG120412 AH6225 insert — call +49 2822 7131930 or email info@metav-werkzeuge.com Technical Data Article number: 6903180 Manufacturer SKU: TUN6903180 SKU: 6903180-Tungaloy Manufacturer: Tungaloy Facts Corner radius: 1.2 mm Insert size: 12 mm Thickness: 4.76 mm Cutting angle: 80° Relief angle: 0° With hole: cylindrical Special features Grade: AH6225 (PVD-coated carbide) Shape: rhombic Chipbreaker: double-sided Typical application: external and internal turning Model series: ISO turning indexable inserts FAQ What materials is this insert suitable for? The CNMG120412 AH6225 indexable insert by Tungaloy is primarily designed for stainless steels, making it suitable for a wide range of austenitic and ferritic stainless materials in medium turning operations (SKU 6903180-Tungaloy). How many cutting edges are available per insert? The insert is double-sided with a rhombic geometry, providing multiple usable cutting edges before indexing is required; this supports efficient use of the component in production settings. What chip control can be expected with this insert? The double-sided chipbreaker integrated into the insert design delivers controlled chips for medium cutting depths, improving surface finish and reducing the chance of entanglement in bores or grooves. Is the insert compatible with standard ISO holders? Yes; the ISO-standard dimensions and the cylindrical hole ensure compatibility with common external holders and boring bars that accept CNMG-style inserts. Which grade and coating does the insert use and why does it matter? The AH6225 grade is a PVD-coated carbide chosen for its combination of a sharp edge and stable wear resistance on stainless steels; the coating enhances tool life and process reliability under varied cutting 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 AH6225 Wendeplatten - Tungaloy
Combine high process reliability, a sharp yet stable cutting edge, and universal suitability for stainless steels; benefit from the economical double‑sided geometry and order directly via Metav Werkzeuge or consult our specialists for application advice. CNMG 120412 AH6225 Tungaloy insert — PVD‑coated carbide for turning, 80° rhombic A CNMG120412 AH6225 ISO‑compliant turning insert designed for medium turning of stainless steels, offering a balanced combination of durability and edge stability. ISO‑compliant CNMG 120412 geometry PVD‑coated carbide AH6225 for stainless steels Double‑sided insert with 1.2 mm corner radius Cylindrical hole and 80° rhombic form Consistent performance on stainless steels for reduced rework The CNMG120412 AH6225 insert is a PVD‑coated carbide grade developed for reliable machining of stainless steels. The coating and substrate combination delivers a sharp yet stable cutting edge, which reduces the risk of built‑up edge and improves dimensional consistency during medium cutting operations. This results in fewer interruptions for regrinding or replacement and supports a smooth production flow, particularly where varied batch sizes and mixed workpiece conditions are encountered. Process security through thermally stable cutting and chip control A principal advantage of this grade is its focus on process stability: the stable cutting edge and the double‑sided chipbreaker design promote predictable chip formation and evacuation under fluctuating conditions. This reduces unexpected tool wear and minimises downtime, supporting higher overall equipment effectiveness. The combination of reliable chip control and a wear‑resistant substrate delivers a convincing cost‑benefit over multiple tool changes. ISO geometry and handling that save setup time The insert’s ISO geometry and standard CNMG form ensure compatibility with a wide range of external holders and boring bars; the cylindrical hole simplifies clamping and repeatability. Key dimensions such as the 1.2 mm corner radius and 4.76 mm thickness contribute to robust edge strength while the 80° rhombic shape provides a balance between strength and accessibility in tight contours. These design elements reduce fitting errors and accelerate tool changeovers. Recommended uses and system considerations for reliable results Designed primarily for external and internal turning, this insert performs best in medium machining of stainless and similar alloys when combined with an appropriate holder and clamping set. Select the correct chipbreaker and match the grade to the workpiece stability to achieve optimal surface finish and tool life. The typical system comprises the ISO insert, a matched external holder or boring bar, a backing plate or clamp set and suitable screws for secure mounting. Contact Metav Werkzeuge for application advice on Tungaloy AH6225 inserts and to confirm holder compatibility — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6946994 Manufacturer SKU: TUN6946994 SKU: 6946994-Tungaloy Series: ISO turning inserts Designation: CNMG120412 AH6225 Core data Shape: CNMG (rhombic), 80° Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Design / special features Material: Carbide Coating: PVD Double‑sided insert Cylindrical hole Chipbreaker: double‑sided FAQ Which materials is this insert primarily intended for? The CNMG120412 AH6225 insert is primarily designed for stainless steels and similar alloys; the PVD coating and substrate provide a good balance between edge sharpness and wear resistance. Is the insert compatible with standard CNMG holders? Yes, the ISO‑compliant CNMG geometry ensures compatibility with standard external holders and boring bars, provided the holder matches the insert form, thickness and clamping style. What corner radius and thickness are supplied with the insert? This insert features a 1.2 mm corner radius and a thickness of 4.76 mm, suitable for medium turning tasks where edge strength is required. Can the insert be rotated to use the second cutting edge? The insert is double‑sided, allowing indexed rotation to present a fresh cutting edge; this contributes to economical use over its service life. How should the chipbreaker and grade be selected for different conditions? Select the chipbreaker and the AH6225 grade based on workpiece stability and cutting parameters; the AH6225 offers versatile performance for variable conditions and is optimised for stainless steels. 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 AH6225 Wendeplatten - Tungaloy
Reliable machining of stainless steels is delivered through the combination of the AH6225 PVD-coated carbide grade and a 1.2 mm corner radius, providing a sharp yet robust cutting edge and consistent surface quality; order the insert directly via Metav Werkzeuge or request cutting data from our consultants. CNMG 120412 AH6225 indexable insert for Turning — Tungaloy The CNMG120412 AH6225 is an ISO-standard indexable turning insert designed for external and internal turning, optimised for stainless steels and medium cutting conditions. PVD-coated carbide grade AH6225 80° rhombic CNMG shape 1.2 mm corner radius for strength Double-sided chipbreaker, cylindrical hole Consistent performance for stainless steel machining The AH6225 grade is a PVD-coated carbide developed as a universal solution for stainless steels, offering a balance between a sharp cutting edge and thermal/mechanical stability. The coating reduces adhesion and wear while the substrate provides toughness under interrupted cuts, so machining stability and component surface finish are improved. This combination is suited to medium cutting parameters and varying operational conditions, supporting repeatable cycle times and predictable tool life. Benefits include reduced rework, fewer insert changes and a more reliable production flow. Compatibility and mounting explained for secure use The CNMG geometry with an 80° included angle and a rhombic profile is ISO-standardised; compatibility with the toolholder is therefore determined by insert form, relief (0° in this case), tolerance class, fastening method and plate thickness. The plate measures 12 mm across with a thickness of 4.76 mm and has a cylindrical hole for screw clamping. Compatibility is ensured when the holder matches these parameters, so insert seating, clamp engagement and axial support are correct. Clear identification of holder type and tolerance ensures safe clamping and repeatable positioning during index changes. Efficient chip control and robust edge life for productivity A double-sided chipbreaker enables flexible application and cost-effective indexing, while the 1.2 mm corner radius increases edge strength and helps maintain edge integrity during medium-duty turning. The PVD layer improves abrasion resistance and reduces built-up edge on stainless materials, which supports longer uninterrupted machining periods and consistent dimensional results. The cylindrical hole and standardised CNMG form simplify inventory management and replacement, contributing to lower downtime and increased productivity per cutting edge. Contact Metav Werkzeuge for tailored cutting data, availability and sample requests for the Tungaloy CNMG120412 AH6225 indexable inserts — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6825073 Manufacturer SKU: TUN6825073 SKU: 6825073-Tungaloy Model series: ISO-Drehwendeschneidplatten Facts Size: 12 mm Thickness: 4.76 mm Corner radius: 1.2 mm Included angle: 80° Relief angle: 0° Special features Material: carbide Coating/grade: AH6225 (PVD-coated) Shape: rhombic (CNMG) Hole: with cylindrical hole Chipbreaker: double-sided Application: turning (external and internal) FAQ Is this insert suitable for machining stainless steels? The CNMG120412 AH6225 Tungaloy indexable insert is formulated for stainless steels, combining a PVD coating and a carbide substrate to reduce adhesion and improve wear resistance in those materials. Which toolholder is required for correct mounting? Compatibility requires a holder that accepts CNMG inserts with an 80° geometry, matching the plate thickness, relief angle and fastening method; the cylindrical hole requires a corresponding clamp screw and seat. What does the AH6225 designation indicate? AH6225 denotes a PVD-coated carbide grade optimised for a broad range of stainless steels, designed to balance cutting-edge sharpness and thermal stability for medium machining. How does the 1.2 mm corner radius affect performance? A 1.2 mm corner radius increases edge strength and improves resistance to chipping, producing better tool life and smoother surface finishes in medium cutting conditions. Can this insert be used for both external and internal turning? Yes, the insert is designed for both external and internal turning; selection of the appropriate holder and cutting parameters is required for stable results. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of a robust combination of precision geometry and a wear‑resistant PVD coating to maintain stable cutting performance in stainless steel turning; order the CNMG120412 AH6225 insert directly via Metav Werkzeuge or consult the technical team for grade selection and holder compatibility. CNMG 120412 AH6225 — ISO turning insert for stainless steel, 80° CNMG form, Tungaloy The CNMG120412 AH6225 is a rhombic ISO indexable insert designed for external and internal turning of stainless steels, offering a balanced edge geometry for medium machining under variable conditions. Universal grade AH6225 for stainless steels PVD‑coated carbide for improved wear resistance ISO‑norm CNMG 80° rhombic insert Double‑sided chipbreaker with cylindrical hole Consistent cutting performance for stainless steel turning The rhombic CNMG form with an 80° approach angle and a 1.2 mm corner radius delivers a blend of rigidity and edge sharpness that supports stable cuts in rostfreiem Stahl (stainless steels). The AH6225 grade is a PVD‑coated carbide designed to keep a sharp, damage‑resistant cutting edge during medium turning operations. The PVD layer reduces flank wear and improves adhesion resistance, which in practical terms means longer intervals between indexings and fewer unplanned tool changes—supporting higher productivity and predictable cycle times. Fast, reliable set‑up and holder compatibility As an ISO‑standard insert the CNMG120412 requires a matching CNMG holder; compatibility depends on form, clearance angle, tolerance class, fastening method, size and thickness. The insert’s cylindrical hole and double‑sided design permit simple clamping and economical use of both cutting edges. Explaining the geometry: the double‑sided chipbreaker gives a controlled chip form for common stainless turning feeds, while the 0° clearance angle specification minimises the need for unusual holder offsets. This results in efficient set‑up and stable machining across typical production environments. Process security and cost efficiency in production Choosing a PVD‑coated AH6225 insert reduces heat‑related edge softening and improves resistance to built‑up edge, common when machining rostfreier Stähle. The grade’s balanced toughness and wear resistance lead to reliable tool life and consistent surface finish, which lowers scrap rates and rework. For operations aiming to balance tool cost and part quality, this insert supports repeatable results and contributes to steady throughput—an economically sensible choice for job shops and production lines alike. Practical notes on application and handling The indexable insert is intended for turning applications; selection of the chipbreaker and grade should match the workpiece alloy, machining method and assembly rigidity. A moderate cutting speed and adequate coolant management help exploit the PVD coating’s advantages. When fitting the insert, ensure the holder matches the CNMG contour and that the clamping torque and seating surfaces are clean to maintain the ISO‑defined tolerance for repeatable positioning. For recommendations on insert grades, holder selection or to request application data for Tungaloy inserts, contact Metav Werkzeuge — technical consultation and supply are available through Metav Werkzeuge. Technical Data Article number: 6946773 Manufacturer item number: 6946773 Manufacturer SKU: TUN6946773 SKU: 6946773‑Tungaloy Model series: ISO‑Drehwendeschneidplatten Application: Turning Core specifications Corner radius: 1.2 mm Thickness: 4.76 mm Size: 12 mm Clearance angle: 0° Approach angle: 80° Hole: with hole Hole style: cylindrical hole Materials & special features Grade: AH6225, PVD‑coated carbide Suitable for: stainless steels Chipbreaker: double‑sided Plate form: rhombic Mounting: ISO insert; compatibility depends on holder form, clearance angle, tolerance class, fastening, size and thickness FAQ Is this insert suitable for turning stainless steels? The CNMG120412 AH6225 insert by Tungaloy is specifically formulated for rostfreie Stähle (stainless steels) and is suitable for medium turning tasks where a sharp, stable cutting edge is required. Can both sides of the insert be used? Yes, the CNMG120412 AH6225 is double‑sided with a cylindrical hole, allowing both cutting edges to be indexed for economical tool usage. What benefits does the PVD coating provide? The PVD‑coated AH6225 grade reduces wear and improves resistance to built‑up edge during turning, extending the effective life of the carbide body under variable cutting conditions. Which holder type is required for this ISO insert? A CNMG‑compatible external or internal turning holder is required; compatibility is determined by the holder’s form, clearance angle, tolerance class, fastening and size to match the insert’s dimensions. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the combination of a PVD-coated carbide grade and a sharp yet stable cutting edge for reliable stainless-steel turning; order directly via Metav Werkzeuge or consult our specialists for tool selection and availability. CNMG 120412 AH6225 indexable turning insert — ISO 120412 for Drehen by Tungaloy CNMG120412 AH6225 Tungaloy insert for ISO-standard turning applications, engineered for external and internal turning of stainless steels with a sharp, stable cutting edge and a double-sided chipbreaker. PVD-coated carbide grade AH6225 Optimised for stainless steel turning Rhombic shape with 80° approach angle Double-sided chipbreaker, with cylindrical hole High-efficiency turning for stainless steels with controlled tool life The PVD coating on this carbide grade improves wear resistance and helps maintain a stable cutting edge during mixed and interrupted cuts. Designed specifically for machining rostfreie Stähle in medium cutting conditions, the insert offers a balance between edge sharpness and robustness that reduces chatter and repeat reloads. The result is a more predictable tool life and fewer unscheduled tool changes, which supports higher machine uptime and lower overall production cost. Secure seating and ISO compatibility to simplify tool set-up The rhombic form and the ISO 120412 designation ensure compatibility with standard CNMG holders when the form, clearance angle, tolerance class, fixing and plate thickness are matched. The insert’s cylindrical hole and precise tolerance class permit consistent clamping and repeatability in production settings. This standardised fit reduces set-up time and minimises the risk of incorrect mounting, supporting efficient changeovers and stable process control. Geometry and dimensions that deliver surface quality and productivity With a nose radius of 1.2 mm and a thickness of 4.76 mm, the insert provides a compromise between strong edge integrity and the ability to produce good surface finishes on contoured workpieces. The 80° approach angle contributes to favourable chip flow and cutting forces for many turning operations. The double-sided chipbreaker further helps to control chips, improving evacuation and reducing re-cutting of swarf, which enhances both component quality and operator convenience. Material and grade considerations for consistent results The AH6225 grade is a universal, PVD-coated carbide developed for a wide range of stainless-steel alloys. Its formulation emphasises stable micro-geometry retention under variable conditions, making it suitable for batch production and mixed-series work. Selecting this grade reduces the need for frequent grade changes and simplifies tooling strategies across different stainless-steel types, delivering consistent process reliability and lower inventory complexity. For tailored advice on integrating this Tungaloy insert into existing toolholders or for availability and lead times, contact Metav Werkzeuge — eMail: info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6946867 SKU: 6946867-Tungaloy Manufacturer SKU: TUN6946867 Model series: ISO turning indexable inserts Name: CNMG120412 AH6225 Tungaloy insert Facts Geometry: CNMG 120412 (ISO 120412) Approach angle: 80° Nose radius: 1.2 mm Thickness: 4.76 mm Size: 12 mm Clearance angle: 0° Special features Material: carbide Coating: PVD Grade: AH6225 — universal for stainless steels Chipbreaker: double-sided Plate form: rhombic Hole style: cylindrical hole Typical application: external and internal turning FAQ What steels is this insert best suited for? The CNMG120412 AH6225 Tungaloy insert is optimised for rostfreie Stähle (stainless steels); the AH6225 grade provides a balance of sharpness and edge stability for medium cutting conditions. Can this insert be used in any CNMG holder? The insert follows ISO 120412 dimensions and will fit CNMG-compatible holders provided the holder’s form, clearance angle, tolerance class, fixing method and plate thickness match the insert specifications. How does the PVD coating benefit performance? The PVD coating on the AH6225 grade increases wear resistance and helps maintain edge integrity under varying cutting conditions, leading to longer usable life and more consistent component quality. Is the chip control suitable for automated turning cells? Yes. The double-sided chipbreaker and the rhombic geometry support reliable chip evacuation, which is advantageous in automated or enclosed machining environments. What are the key mounting dimensions to check before ordering? Confirm the insert size (12 mm), thickness (4.76 mm), nose radius (1.2 mm) and hole style (cylindrical) to ensure proper clamping and repeatability. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the combination of a PVD-coated cemented carbide grade optimised for stainless steels, a stable 80° rhombic geometry and a reliably sharp cutting edge for consistent turning performance. Order the inserts directly via Metav Werkzeuge or contact the consultants for machining advice. CNMG 120412 AH6225 indexable insert for turning — Tungaloy The CNMG 120412 AH6225 indexable insert is a rhombic, ISO‑standard insert designed for external and internal turning operations where a stable, sharp cutting edge and good chip control are required PVD-coated carbide AH6225 Optimised for stainless steels 80° rhombic geometry Double-sided chipbreaker, 1.2 mm radius Consistent cutting performance under variable conditions The CNMG‑style insert combines a PVD-coated carbide substrate with the AH6225 grade to deliver a balance of edge sharpness and wear resistance for medium turning operations. The PVD coating reduces built-up edge and improves surface finish when machining stainless steels, while the substrate maintains toughness under intermittent cuts. In practice this means fewer insert changes and a more predictable tool life, supporting higher uptime and consistent component quality. Easy integration into ISO tool systems and secure clamping The rhombic 80° form and standard ISO dimensions ensure compatibility with a wide range of external holders and boring bars. Compatibility is determined by insert form, relief angle, tolerance class, fixation method, size and thickness, so the insert slots into typical ISO turning tool systems without special adapters. The version supplied has a cylindrical locating hole, enabling secure seating and repeatable positioning in the pocket, which simplifies tool set‑up and reduces indexing errors. Reliable chip control and component surface quality A double-sided chipbreaker optimised for a range of feed rates helps to fragment chips and direct them away from the workpiece, improving process reliability and surface condition. The 1.2 mm corner radius contributes to a robust cutting edge that balances strength and finish: a small radius improves edge stability and reduces vibration for medium cuts, while still producing an even surface on turned parts. Practical benefits for production and process optimisation Selecting a universal grade such as AH6225 offers broad material coverage and reduces the need for multiple grades in mixed‑material production runs. The insert supports process standardisation: fewer tool variations in the tool crib, simpler inventory management and predictable reconditioning schedules. For shops machining stainless steels, the combination of coating, geometry and chipbreaker delivers tangible improvements in throughput and repeatability. Contact Metav Werkzeuge for application advice, availability and to request a machining recommendation for Tungaloy CNMG inserts — eMail info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6824983-Tungaloy Manufacturer article number: 6824983 Model series: ISO turning indexable inserts SKU: TUN6824983 Material: cemented carbide Coating: PVD, grade AH6225 Core data Insert designation: CNMG120412 Inscribed circle / size: 12 Thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Geometry angle: 80° Special features Rhombic insert shape (80°) Double-sided chipbreaker Cylindrical locating hole Suited for external and internal turning Intended for machining stainless steels PVD-coated cutting grade for medium cutting conditions FAQ What materials is this insert suitable for? The CNMG 120412 AH6225 indexable insert from Tungaloy is optimised for stainless steels and performs well in medium turning applications where a sharp, stable edge is required. Is the insert compatible with standard ISO turning holders? Yes; the CNMG120412 follows ISO form and dimensions and is compatible with holders designed for 80° rhombic inserts, provided the holder matches the insert thickness, size and fixing method. How does the AH6225 grade affect tool life? The AH6225 PVD-coated grade offers a balance between edge sharpness and wear resistance, giving predictable tool life under variable conditions and improved resistance to built‑up edge when machining stainless steels. Can the insert be indexed to use both sides? This is a double‑sided insert with a chipbreaker on both faces, allowing indexing to present a fresh edge and extend the useful life of each insert. What is the corner radius and how does it influence machining? The insert has a 1.2 mm corner radius, which enhances edge strength and helps maintain surface quality during medium turning operations without excessive cutting forces. 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 AH6225 Wendeplatten - Tungaloy
Benefit from the combination of a PVD‑coated cemented carbide grade and a rhombic CNMG geometry for reliable, versatile turning performance; order the insert directly via Metav Werkzeuge or consult our advisers for optimal selection and integration. CNMG 120412 AH6225 Tungaloy — Turning indexable insert, PVD‑coated carbide, 80° CNMG 120412 AH6225 Tungaloy is an ISO‑format turning indexable insert designed for external and internal turning, optimised for stainless steel machining with a sharp yet stable cutting edge. PVD-coated cemented carbide grade AH6225 Rhombic CNMG 80° geometry 1.2 mm corner radius for precise finishing Double-sided chipbreaker with cylindrical hole Reliable, economical cutting for stainless steels The AH6225 grade is a PVD‑coated cemented carbide developed as a universal solution for stainless steel machining. Its composition and coating balance a sharp cutting edge with wear resistance, enabling stable performance under varying cutting conditions. This results in consistent surface quality and fewer index changes, which supports smoother production cycles and predictable tool life. For mid‑range feeds and interrupted cuts, the grade minimises edge chipping while preserving cutting efficiency. Secure clamping and accurate geometry for repeatable results The insert’s CNMG geometry with an 80° included angle and cylindrical hole ensures reliable seating in compatible external holders or boring bars. Because compatibility depends on form, clearance angle, tolerance class, fixation and thickness, the insert fits standard ISO tool systems when matched correctly. The 1.2 mm corner radius is suited for finishing and light roughing, providing a balance between strength and surface definition while supporting repeatable indexing and accurate positioning in tool assemblies. Improved chip control and reduced downtime A double‑sided chipbreaker helps control swarf formation and evacuation, which contributes to predictable chip shapes and safer machining. This chip control, combined with the stable cutting edge of the grade, reduces interruptions for chip management and regrinding. The result is increased process reliability and lower auxiliary costs, supporting higher throughput without compromising component quality or operator safety. System integration and selection guidance An insert operates as part of a system: ISO insert, matching external holder or boring bar, locating shim or clamping kit and replacement screws. Select the chipbreaker and grade based on workpiece material, cutting direction and machine stability. If the exact holder compatibility is unclear, consult the technical documentation for holder form, clearance angle and tolerance class to ensure correct fitment. For complex setups or unusual materials, further advice can be provided to match cutting parameters and extend productive tool life. Contact Metav Werkzeuge for tailored recommendations on the CNMG 120412 AH6225 insert and system components; our consultants are available to assist with selection and integration — eMail: info@metav-werkzeuge.com · Phone: +49 2822 7131930 Technical data Article number: 6824944 SKU: 6824944-Tungaloy Manufacturer SKU: TUN6824944 Manufacturer: Tungaloy Core dimensions ISO designation: CNMG120412 Included angle: 80° Corner radius: 1.2 mm Plate thickness: 4.76 mm Plate size: 12 mm Design & features Plate shape: rhombic Hole: with cylindrical hole Chipbreaker: double-sided Coating / grade: PVD-coated cemented carbide AH6225 Application: Turning Model series: ISO turning indexable inserts FAQ What materials is this insert suited for? The CNMG 120412 AH6225 insert is formulated as a universal grade for stainless steel machining and performs well in a range of alloyed and austenitic steels. How does the AH6225 grade affect tool life? The AH6225 PVD coating and cemented carbide substrate provide a balance of sharpness and wear resistance, supporting stable edge life under medium cutting conditions and variable machining environments. Which holders are compatible with this CNMG insert? Compatibility depends on the holder’s form, clearance angle, tolerance class, fixation method, size and thickness; the insert fits ISO‑compliant external holders or boring bars when these parameters match the CNMG120412 specification. Can the insert be used for internal turning? Yes, the geometry and chip control of this CNMG insert make it suitable for both external and internal turning operations when installed in an appropriate boring bar or internal holder. Is the insert reversible or indexed? The insert is double‑sided with a chipbreaker on both faces, allowing indexing to a fresh edge and supporting repeated use until both edges are consumed. 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 AH6225 Wendeplatten - Tungaloy
Benefit from the combination of a PVD-coated AH6225 carbide grade for reliable stainless steel turning, the ISO CNMG 120412 rhombic form for fast changeovers, and a 1.2 mm nose radius that balances edge strength with surface finish; order directly via Metav Werkzeuge or request application advice from our consultants. CNMG 120412 AH6225 indexable turning insert for turning by Tungaloy — PVD-coated carbide, 80° CNMG120412 AH6225 indexable turning insert designed for stable, versatile performance in external and internal turning of stainless steels and similar materials PVD-coated carbide AH6225 grade ISO CNMG 120412 rhombic geometry 80° included angle, 1.2 mm nose radius Cylindrical hole for secure clamping Consistent cutting performance for medium turning operations The PVD-coated carbide grade AH6225 delivers a sharp yet stable cutting edge specifically developed for changing machining conditions. The coating improves adhesion resistance and thermal stability, which translates into longer, more predictable tool life during medium cutting tasks on stainless steel. The 1.2 mm corner radius provides a compromise between robustness and surface quality: larger radii absorb cutting forces to protect the edge, while the CNMG geometry keeps chip formation controllable. This results in steady component tolerances and fewer insert changes in serial production. Faster set-up and process reliability thanks to ISO compatibility As an ISO-standard CNMG insert, the plate matches common external holders and boring bars when form, relief angle, tolerance class, fixing method, size and thickness are aligned. The cylindrical hole and double-sided chipbreaker enable secure clamping and reversible use, reducing inventory pressure and set-up time. With a relief angle of 0° and a rhombic plate form, this solution offers predictable seating and repeatable indexing; the CNMG120412 insert therefore supports stable cycle times and lowers the risk of clamping-related deviations. Integrated system approach for improved chip control and finish The insert is intended for use as part of a complete system — the indexable plate, an appropriate external holder or boring bar, underlay/clamping set and spare fixing screws — to achieve consistent results. Selecting the matching chipbreaker and the AH6225 grade according to the workpiece material and machine stability ensures effective chip control and an improved surface finish. For difficult-to-machine alloys or interrupted cuts, the combination of the CNMG geometry and PVD-coated carbide helps maintain an even cutting edge, enabling more efficient, cost-effective machining in batch production. Contact Metav Werkzeuge for application-specific recommendations and availability of original Tungaloy CNMG120412 inserts: info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: 6903166 Manufacturer SKU: TUN6903166 SKU: 6903166-Tungaloy Model series: ISO-Drehwendeschneidplatten Manufacturer: Tungaloy Facts Corner radius: 1.2 mm Included angle: 80° Relief angle: 0° Plate thickness: 4.76 mm Plate size: 12 mm Special features Grade/coating: AH6225, PVD-coated carbide Plate form: rhombic (CNMG) Hole: cylindrical hole Chipbreaker: double-sided Application: turning (external and internal) Compatibility: ISO CNMG holders; check form and tolerance FAQ What materials is this insert best suited for? The CNMG120412 AH6225 Tungaloy indexable turning insert is optimised for stainless steel and similar alloys; the AH6225 PVD-coated carbide balances edge sharpness and wear resistance for medium turning tasks. Can the plate be flipped to use both sides? Yes — the insert features a double-sided chipbreaker and a central cylindrical hole, allowing reversible clamping and two cutting edges per side on the CNMG120412 insert (SKU 6903166-Tungaloy). Which holders are compatible with this CNMG geometry? Compatibility requires a matching ISO CNMG holder that accommodates the 80° rhombic form, 12 mm size and 4.76 mm thickness; check holder form, relief angle and tolerance class when selecting equipment for the Tungaloy insert. How does the 1.2 mm corner radius affect machining? A 1.2 mm radius increases edge strength and improves surface finish stability in medium cuts; the AH6225 grade helps maintain this edge with good wear resistance under variable conditions. Is this insert suitable for internal boring as well as external turning? Yes — the design and chip control characteristics of the CNMG120412 AH6225 insert make it suitable for both external and internal turning operations when used with an appropriate 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 AH6225 Wendeplatten - Tungaloy
Take advantage of a universal PVD-coated carbide grade that balances a sharp, stable cutting edge with broad applicability for medium turning operations; its ISO geometry and precise dimensions ensure predictable cycle times and easy toolholder compatibility. Order directly via Metav Werkzeuge or consult our specialists for process matching and availability. CNMG120412 120412 AH6225 Tungaloy turning insert – PVD-coated carbide, 1.2 mm nose radius CNMG120412 AH6225 is an ISO rhombic turning insert designed for external and internal turning, optimised for medium cutting conditions and varying workpiece stability. Universal grade for stainless steels PVD-coated carbide for edge stability Rhombic CNMG with 80° cutting angle 1.2 mm nose radius for consistent finishes Consistent medium-turning performance with predictable tool life The AH6225 PVD-coated carbide grade delivers a controlled combination of sharpness and resilience suited to medium turning of austenitic and other stainless steels. The geometry chosen—an ISO CNMG rhombic insert with an 80° approach—provides a reliable shear plane and good tool engagement, which reduces chatter risk and improves surface integrity. With a 1.2 mm nose radius, the insert balances strength and finish, enabling stable material removal rates while maintaining an acceptable surface roughness for subsequent operations. Compatibility and mounting — designed for straightforward integration Being an ISO-standard insert, compatibility with holders depends on form, clearance angle, tolerance class, fastening method, size and thickness. This insert features a 4.76 mm plate thickness and a cylindrical hole for positive seating and repeatable clamping. The double-sided construction maximises indexable life per insert, and the standardised dimensions permit quick replacement in conventional CNMG holders and boring bars, reducing downtime and simplifying inventory management. Practical benefits of the AH6225 grade in varied conditions The PVD-layered substrate promotes stable edge retention across changing cut conditions, giving a favourable cost-to-life ratio for shops processing mixed batches. The double-sided chipbreaker arrangement supports chip control in both external and internal turning, which lowers the risk of rework caused by poorly evacuated swarf. For applications involving interrupted cuts or variable feed, the balanced edge geometry enhances robustness without compromising cutting efficiency. Choosing the right insert for the job Select the insert when machining medium feeds on stainless steels where a combination of repeatable surface finish and tool longevity is required. Match the grade and chipbreaker to the workpiece alloy and machine rigidity: softer, ductile alloys benefit from the sharpness of this PVD-coated grade, while tougher conditions may call for reduced cutting depths and optimised feeds to preserve edge life. The indexable design supports rapid rotation of cutting edges, helping to maintain production flow. For availability or process recommendation for the AH6225 grade, contact Metav Werkzeuge for technical consultation and delivery details at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: 6946904 Manufacturer SKU: TUN6946904 Model series: ISO turning inserts Designation: CNMG120412 AH6225 Tungaloy insert Material: cemented carbide Coating/grade: PVD, AH6225 Hole style: cylindrical hole Chipbreaker: double-sided Core measurements Insert size: 12 mm Thickness: 4.76 mm Nose radius: 1.2 mm Cutting angle: 80° Clearance angle: 0° Features and materials ISO rhombic plate form Double-sided indexable design Universal application for stainless steels Suitable for external and internal turning Compatible with standard CNMG holders and boring bars FAQ What materials is this insert intended for? The CNMG120412 AH6225 insert is formulated as a universal grade for machining stainless steels and is suitable for a wide range of austenitic and similar alloys. How does the AH6225 coating affect tool life? The PVD coating on the AH6225 grade enhances edge stability and wear resistance, delivering more consistent tool life under medium cutting conditions. Which toolholders are compatible with this insert? ISO CNMG holders and standard boring bars that accept a CNMG120412 geometry and 4.76 mm thickness will be compatible; correct seating depends on form, tolerance and fastening. Can the insert be used for internal turning? Yes, the rhombic geometry and double-sided chipbreaker make the insert suitable for both external and internal turning applications. What is the advantage of the 1.2 mm nose radius? A 1.2 mm radius offers a compromise between edge strength and surface finish, providing improved stability in medium turning while producing a consistent workpiece surface. 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 AH6225 Wendeplatten - Tungaloy
Take advantage of the PVD-coated carbide grade AH6225 and the CNMG rhombic geometry to ensure consistent cutting performance on stainless steels; order the item through Metav Werkzeuge or consult the team for application advice. CNMG120412 AH6225 ISO turning insert for turning applications — Tungaloy The CNMG120412 AH6225 is an ISO-standard, rhombic indexable insert designed for external and internal turning, optimised for machining rostfreier Stahl with a sharp yet resilient cutting edge. ISO CNMG rhombic form, 80° included angle PVD-coated carbide grade AH6225 Double-sided chipbreaker, with cylindrical hole 1.2 mm corner radius for robust edge integrity Consistent performance where material varies The CNMG-style indexable insert offers a balance of edge sharpness and durability thanks to the PVD-coated carbide AH6225 grade. When machining rostfreier Stahl, the coating reduces built-up edge and improves wear resistance under changing cutting conditions. The 80° geometry of the rhombic shape supports stable cutting forces and smooth chip flow; this helps maintain surface finish while allowing for moderate feed and depth of cut choices. In practice, the combination of substrate and coating reduces the need for frequent index changes, improving uptime. Precision features that simplify setup and clamping A 1.2 mm corner radius provides a predictable cutting edge for turning operations and supports dimensional stability at the workpiece surface. The insert is produced to ISO tolerances, so compatibility with standard CNMG holders depends on form, clearance angle, thickness and fastening method; the cylindrical locating hole ensures secure seating with a suitable clamping kit. For workshops preferring repeatable setups, these characteristics translate into faster tool changes and lower setup variability. Chip control and application suitability Equipped with a double-sided chipbreaker, the insert accommodates both finishing and medium-turning passes while controlling chip shape for reliable evacuation. The double-sided design also doubles indexable life per insert, improving cost-efficiency across production runs. The grade is specified as universal for rostfreie Stähle and performs well under interrupted cuts or when component geometry causes variable engagement, allowing productive turning with fewer insert changes. Practical benefits for production planning Using ISO-standard inserts like this one eases inventory management and toolholder selection: the CNMG120412 form is widely supported, the 4.76 mm plate thickness provides rigidity in the pocket, and the PVD coating delivers extended edge life in mixed-series production. For procurement and process engineering, these features mean predictable tool-life calculations and simpler qualification across batches, which supports efficient scheduling and stable process output. For reliable rostfrei machining with proven cutting-edge technology, contact Metav Werkzeuge to discuss availability and application recommendations for the Tungaloy CNMG120412 AH6225 insert — email info@metav-werkzeuge.com or call +49 2822 7131930. Technical data Article number: 6796274 SKU: 6796274-Tungaloy Manufacturer SKU: TUN6796274 Model series: ISO-Drehwendeschneidplatten Material: Hartmetall Grade/coating: AH6225 (PVD) Facts Insert designation: CNMG120412 Size: 12 mm Plate thickness: 4.76 mm Corner radius: 1.2 mm Relief angle: 0° Included angle: 80° Special features Rhombic plate form (CNMG) Double-sided chipbreaker Cylindrical locating hole ISO-standard compatibility Designed for turning (Drehen) Suitable for rostfreie Stähle FAQ What materials are recommended for this insert? The CNMG120412 AH6225 insert is specified for rostfreie Stähle and performs reliably on a broad range of stainless steel alloys. How does the AH6225 grade affect tool life? The PVD-coated AH6225 grade provides a balance of wear resistance and edge sharpness, extending life under varying cutting conditions compared with uncoated grades. Is the insert compatible with standard CNMG holders? Compatibility is determined by ISO form, plate thickness (4.76 mm), hole style and tolerance; the CNMG120412 fits standard CNMG pockets that accept ISO inserts. 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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