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 120408 NS9530 Wendeplatten - Tungaloy
Take advantage of the NS9530 finishing grade and the ISO‑compatible CNMG geometry for consistently high surface quality and reliable chip control; the combination of a sharp, uncoated cermet edge and a double‑sided chipbreaker supports productive finishing cycles for steel. Order through Metav Werkzeuge or request tailored advice from our consultants for application‑specific recommendations. CNMG 120408 NS9530 Tungaloy indexable insert — finishing cermet for turning CNMG 120408 NS9530 is an ISO‑standard indexable insert for external and internal turning, optimised for finishing steel with a sharp cutting edge and low cutting forces ISO CNMG 120408 for broad holder compatibility NS9530 uncoated cermet for superior surface finish Sharp geometry for low cutting forces Double‑sided chipbreaker for consistent chip control 0.8 mm nose radius, 80° rhombic configuration Superior finishing performance with reduced cutting forces The NS9530 grade is an uncoated cermet developed for finishing applications in steel where a fine surface and low cutting forces are essential. Thanks to the sharp cutting edge and the material’s ability to maintain edge form under continuous cutting, users achieve a noticeably improved surface finish with reduced tendency for built‑up edge. In practical terms, this means fewer rework cycles and more stable part quality when working with small depths of cut and continuous feed. The insert’s geometry contributes directly to process efficiency by lowering power draw and enabling predictable machining results. Reliable integration into ISO holders and secure clamping Manufactured to ISO dimensions, the insert is compatible with standard CNMG‑type holders when the holder matches form, clearance angle, tolerance class, fastening and thickness. The 80° rhombic form and the 0° clearance angle ensure a predictable cutting orientation for both external and internal turning tasks. The insert features a cylindrical hole and a double‑sided layout, which supports quick indexing and longer overall tool life per insert. Specifying the matching holder and tightening hardware according to ISO norms reduces setup variability and helps maintain consistent chip position and part finish. Practical advantages and recommended uses This grade and insert geometry are particularly suited to finishing operations in steel where small insert engagement and continuous cutting prevail. The double‑sided chipbreaker provides effective chip control across both usable faces, improving machine uptime and operator safety. Owing to the uncoated cermet composition, the cutting edge is exceptionally sharp, which favours low cutting forces and excellent dimensional stability. For less experienced teams, cermet can be described as a ceramic‑metal composite that combines wear resistance with the capacity to produce fine surfaces; when paired with appropriate feeds and speeds it yields repeatable high‑quality results. For precision finishing applications, contact Metav Werkzeuge for a process consultation or to request a tailored recommendation for the Tungaloy CNMG 120408 NS9530 insert — technical advice is available via Metav Werkzeuge to ensure optimal holder selection and cutting data Technical data Manufacturer article number: 6944534 SKU: 6944534-Tungaloy Manufacturer SKU: TUN6944534 Model series: ISO‑turning indexable inserts Brand: Tungaloy Core specifications ISO designation: 120408 Insert size: 12 mm Thickness: 4.76 mm Nose radius: 0.8 mm Clearance angle: 0° Lead/entry angle: 80° Hole: with hole (cylindrical) Double‑sided chipbreaker: yes Design & features Grade: NS9530 (uncoated cermet) Plate form: rhombic (CNMG) Chipbreaker: double‑sided Typical application: turning (external and internal) Compatibility determined by form, free angle, tolerance class, fastening, size and thickness FAQ Which materials is this insert best suited for? The CNMG 120408 NS9530 insert is formulated as a finishing grade for steel; the uncoated NS9530 cermet provides the surface quality and edge sharpness required for fine finishing of steel components. Can the insert be used for internal turning as well as external turning? Yes, the ISO‑standard CNMG geometry and the 80° rhombic form make the insert suitable for both external and internal turning operations when the correct holder is used. How does the double‑sided chipbreaker affect tool life? The double‑sided chipbreaker on the CNMG insert allows multiple indexing positions, extending usable edge count and supporting consistent chip control, which contributes to longer effective tool life per insert. What holder characteristics must be matched for correct compatibility? Compatibility is determined by the insert’s form, clearance angle, tolerance class, fastening method, size and thickness; selecting an ISO‑compliant holder that matches these parameters ensures secure clamping and repeatable performance. How should cutting data be adapted for best surface finish? For a high‑quality finish with this cermet grade, use modest depths of cut and steady feeds appropriate for finishing, avoid interrupted cuts where possible, and ensure stable workholding to capitalise on the sharp edge and cermet properties of the 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 120408 NS9530 Wendeplatten - Tungaloy
Benefit from the combination of an ISO-standard 80° rhombic geometry, an uncoated cermet grade (NS9530) and a 0.8 mm corner radius that together deliver superior surface finish and low cutting forces in finishing turning operations; order the insert via Metav Werkzeuge or consult our specialists for application guidance. CNMG120408 NS9530 CNMG turning insert by Tungaloy — uncoated cermet, 80° A CNMG120408 NS9530 ISO turning insert optimised for finishing cuts in steel, providing a sharp cutting edge and reduced cutting forces for consistent, high-quality surfaces. ISO CNMG120408 geometry, 80° angle Uncoated cermet grade NS9530 for finishing 0.8 mm corner radius for fine surface finish Double-sided chipbreaker, cylindrical hole design Precision finishing for demanding turning operations The insert offers a combination of sharp cutting geometry and a finishing-grade uncoated cermet (NS9530) that reduces built-up edge and produces a consistently smooth surface. The 80° rhombic geometry ensures stable support in the toolholder, while the 0.8 mm corner radius balances edge strength with the ability to achieve tight surface tolerances. These characteristics are particularly beneficial for continuous cuts and small depths of cut, where surface integrity and repeatability are essential for downstream processes. Secure clamping and straightforward compatibility Compatibility with standard toolholders is determined by the insert’s form, relief angle, tolerance class, fixing method, size and thickness. The CNMG shape and cylindrical hole permit reliable clamping in ISO-compatible holders, and the double-sided chipbreaker extends useful life by allowing the insert to be indexed. The nominal plate thickness and standard ISO designation simplify procurement and tool management in a production environment, reducing setup time and the risk of incorrect tooling selection. Material-specific performance for steel applications Designed as a finishing grade for steel, this uncoated cermet grade delivers low cutting forces and an inherently sharp edge that improves surface finish without relying on a coating. The reduced tendency to deform at the cutting edge supports consistent dimensional control on turned components. For operations that prioritise a superior finish over heavy material removal, this insert provides a cost-effective route to predictable, repeatable results on a broad range of steel alloys. Operational efficiency and handling benefits Using a finishing-grade insert with controlled geometry results in less vibration and improved stability, which in turn reduces scrap and rework. The insert’s ISO standard form and clear specification allow straightforward stocking and quick replacement, promoting uninterrupted production. As it is double-sided and indexable, the component contributes to lower tooling consumption per part and simplified inventory management, supporting efficient shop-floor workflows. Contact Metav Werkzeuge for application advice and availability of the Tungaloy NS9530 finishing inserts; our advisors can confirm suitability for specific steel grades and provide recommended cutting parameters. Technical Data Article number: 6998276 Manufacturer SKU: TUN6998276 SKU: 6998276-Tungaloy Model series: ISO turning indexable inserts Material: carbide Facts Geometry: 80° Corner radius: 0.8 mm Plate thickness: 4.76 mm Plate size: 12 mm Relief angle: 0° Usable sides: 2 Special features ISO designation CNMG120408 Uncoated cermet grade NS9530 Finishing grade for steel with sharp cutting edge Double-sided chipbreaker Rhombic plate form Cylindrical hole for secure clamping Intended application: external and internal turning Compatibility determined by form, relief angle, tolerance class, fixing, size and thickness FAQ Is this insert suitable for finishing operations in steel? The CNMG120408 NS9530 Tungaloy insert is specified as a finishing grade for steel and is designed to deliver low cutting forces and high surface quality in continuous turning operations. How many cutting edges can be used before disposal? The insert is double-sided and indexable; the CNMG120408 NS9530 insert provides two usable cutting positions per side as determined by the holder orientation and indexing practice. Can the insert be used for internal as well as external turning? Yes, the rhombic CNMG geometry and the cylindrical hole clamping allow the insert to be employed in both external and internal turning setups when mounted in compatible ISO holders. Does the uncoated cermet grade require special cutting parameters? The NS9530 grade is optimised for finishing with low feed and depth of cut; specific cutting speeds depend on workpiece alloy and machine rigidity, so parameter adjustment is recommended for best results with this Tungaloy finishing insert. What advantages does the 0.8 mm corner radius provide? A 0.8 mm corner radius offers a balance between edge strength and the ability to achieve fine surface finish, reducing vibration and improving stability during finishing passes with the CNMG120408 NS9530 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 120408 NS9530 Wendeplatten - Tungaloy
Take advantage of the combination of a precision uncoated cermet NS9530 grade, a 0.8 mm corner radius and ISO compatibility for consistent finishing results; order the insert directly via Metav Werkzeuge or request application advice from the team. CNMG120408 NS9530 ISO turning insert — finishing grade by Tungaloy CNMG120408 NS9530 is a rhombic ISO turning insert designed for finishing operations in steel turning; compatible with standard CNMG holders and intended for continuous cuts and fine surface requirements. Uncoated cermet NS9530 for fine finishes Rhombic CNMG form ISO 120408 0.8 mm corner radius for smooth profiles Double-sided chipbreaker with cylindrical hole Achieving consistent fine finishes with minimal cutting forces The insert is manufactured as an uncoated cermet in the NS9530 grade, which is optimised for finishing in steel applications. The material combination gives a sharp cutting edge and low cutting forces, reducing vibration and enabling a more stable tool tip during light cuts. This advantage translates directly into fewer reworks and a faster path to final dimensional tolerance. The 0.8 mm corner radius supports fine profile control while limiting tool engagement, which helps maintain component surface integrity on long running batches. System compatibility and secure clamping for repeatable results Designed to ISO geometry, the ISO 120408 designation and the rhombic CNMG form ensure compatibility with a broad range of holders. Fit and clamping are determined by form, clearance angle, tolerance class, fastening method, size and thickness; the insert’s double-sided chipbreaker and cylindrical hole provide reliable seating and quick index changes. The standardised dimensions and 4.76 mm plate thickness support predictable tool life and make spare stocking straightforward, reducing downtime in production environments. Practical efficiency in workshop workflows As a finishing-grade insert the cutting-edge quality delivers higher surface quality with smaller feeds and low depths of cut, particularly in continuous cutting conditions. The combination of the grade and geometry leads to improved process stability and less burr formation on turned components. For operators seeking application-specific recommendations or verification of holder compatibility, Metav Werkzeuge provides technical assistance by e‑mail and telephone to clarify cutting data and availability: info@metav-werkzeuge.com, +49 2822 7131930. Contact Metav Werkzeuge for technical advice on using the Tungaloy CNMG120408 NS9530 insert and to confirm stock and delivery options. Technical data Article number: 6998125 Manufacturer SKU: TUN6998125 Metav SKU: 6998125-Tungaloy Model series: ISO turning inserts Full designation: CNMG120408 NS9530 Tungaloy insert Key dimensions Corner radius: 0.8 mm Plate thickness: 4.76 mm Size: 12 Included angle: 80° Clearance angle: 0° Materials & special features Cutting material type: uncoated cermet (NS9530) Plate form: rhombic (CNMG) Chipbreaker: double-sided Hole: with cylindrical hole Application: turning (finishing) FAQ What materials is the CNMG120408 NS9530 best suited for? The CNMG120408 NS9530 insert is specified for finishing in steel; the NS9530 cermet grade provides the edge definition and low cutting forces suited to continuous turning of steel components. How does the 0.8 mm radius affect surface quality? A 0.8 mm corner radius on the CNMG120408 helps produce smoother surface profiles and reduces the tendency to form chatter marks when used with appropriate feeds and light depths of cut. Is the insert compatible with standard CNMG holders? Compatibility is ensured by the ISO geometry of the CNMG120408; correct selection depends on holder form, tolerance class, fastening and plate thickness to secure repeatable clamping. What are the handling and indexing advantages of this insert? The double-sided chipbreaker and cylindrical hole design of the CNMG120408 NS9530 allow simple indexing and stable seating, supporting rapid tool changes and reduced setup time. 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 120408 NS9530 Wendeplatten - Tungaloy
Benefit from a precise ISO turning geometry, the uncoated NS9530 cermet for superior surface finish and a double‑sided chipbreaker that supports stable chip control; order the insert directly via Metav Werkzeuge or contact our consultants for tailored advice. CNMG 120408 NS9530 Turning insert — Tungaloy The CNMG120408 NS9530 is an ISO‑format turning insert designed for finishing operations on steel, offering a sharp cutting edge, low cutting forces and reliable chip control for continuous cuts. ISO CNMG 120408 format for universal holders Uncoated NS9530 cermet for superior finish Double‑sided chipbreaker for consistent chips Sharp cutting edge for low cutting forces Consistent fine finishes for finishing turns The uncoated NS9530 cermet grade is formulated to deliver a sharp cutting edge that lowers cutting forces and reduces vibration during finishing operations. In practice this means better dimensional control and a measurable improvement in surface integrity when turning steel at small depths of cut. The material's properties favour continuous cutting, making it particularly suitable for long, uninterrupted passes where a high‑quality surface is the primary outcome rather than aggressive material removal. Secure fit and straightforward integration with ISO holders The insert's ISO format ensures compatibility with standard CNMG pockets when the holder matches by form, clearance angle, tolerance class, mounting type, size and thickness. Key dimensions such as 12 mm inscribed circle and 4.76 mm thickness combine with a 0° relief angle and an 80° approach geometry to provide predictable seating and repeatable clamping. The 0.8 mm corner radius supports a balance between edge strength and fine finish, while the cylindrical hole ensures positive mechanical location for secure fastening. Stable chip control and improved process economy Featuring a double‑sided chipbreaker, the insert promotes reliable chip formation and evacuation under a range of feed rates common in finishing. This leads to fewer interruptions, reduced tool change frequency and improved spindle uptime — all pragmatic advantages in a production environment. The geometry and grade are optimised for steel finishing: lower cutting forces result in reduced power draw and less tool‑holder stress, contributing to overall process stability and a favourable cost‑per‑component ratio. Practical notes on application and selection The ISO‑standard plate is intended for turning applications where surface quality and edge definition are priorities. Select the NS9530 finishing grade for steels with continuous cutting characteristics and modest depths of cut; for interrupted cuts or highly abrasive materials, consider alternative grades or edge preparations. Compatibility depends on holder type and clamping system, so verify pocket form and screw style prior to assembly. The plate is rhombic in form and supplied with a cylindrical hole for secure fastening in standard CNMG pockets. Contact Metav Werkzeuge today to obtain the Tungaloy CNMG120408 NS9530 insert, arrange rapid delivery or request a technical consultation via info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 6707285 SKU (manufacturer): TUN6707285 Manufacturer SKU: 6707285-Tungaloy Model series: ISO‑turning indexable inserts ISO designation: CNMG120408 Facts Inscribed circle: 12 mm Plate thickness: 4.76 mm Corner radius: 0.8 mm Relief angle: 0° Approach/lead angle: 80° Hole: with cylindrical hole Special features Uncoated cermet grade NS9530 Double‑sided chipbreaker Rhombic plate form Designed for finishing on steel Compatibility determined by form, relief angle, tolerance class, mounting, size and thickness FAQ What materials is this insert intended for? The CNMG120408 NS9530 Tungaloy indexable insert is optimised for finishing operations on steel and delivers superior surface quality when used in continuous turning. How does the NS9530 grade affect surface finish? The NS9530 cermet grade used in the CNMG120408 insert provides a sharp cutting edge and low cutting forces, which together improve surface integrity and reduce the need for secondary finishing. Which holder dimensions should be checked before fitting the insert? Verify the pocket matches the CNMG ISO format, and confirm relief/clearance angle, tolerance class, mounting method, inscribed circle (12 mm) and plate thickness (4.76 mm) to ensure proper seating of the Tungaloy insert (SKU 6707285-Tungaloy). Is the insert reversible or single‑use? The rhombic CNMG120408 insert is double‑sided with a double‑sided chipbreaker, allowing rotation to a fresh cutting edge when one side is worn, thereby extending the effective tool life. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
Product data inconsistent: the "material" field lists "Hartmetall" (carbide) while the "Schneidstofftyp" field specifies an uncoated cermet, which creates a discrepancy that needs to be addressed to ensure accuracy and consistency in the product information; it is essential to verify the source data thoroughly to identify whether the issue lies in the original input or if there has been an error during data processing, as this inconsistency could lead to confusion or incorrect assumptions about the product's properties, potentially impacting customer trust and satisfaction; therefore, resolving this matter promptly is crucial before a product description can be generated.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
Take advantage of the insert’s sharp cutting edge, high surface-quality finish and reliable chip control for consistent finishing operations; order CNMG120408 NS9530 Tungaloy inserts via Metav Werkzeuge or consult our specialists for application advice. CNMG120408 NS9530 Tungaloy indexable turning insert — uncoated cermet, 0.8 mm corner radius A CNMG120408 NS9530 Tungaloy ISO indexable turning insert engineered for finishing steel in continuous-turning operations with a focus on surface quality and low cutting forces CNMG120408 ISO format insert Uncoated cermet grade NS9530 for steel 0.8 mm corner radius for fine finishing Double-sided chipbreaker and cylindrical hole Consistent fine finishes with low cutting forces The rhombic CNMG-style geometry combined with the uncoated cermet NS9530 offers a distinct advantage when the primary goal is superior surface finish. The 0.8 mm corner radius reduces edge pressure and keeps vibration low, which translates to improved dimensional consistency on external and internal profiles. For finishing cuts and continuous feeds, the sharp cermet edge reduces cutting forces and helps maintain tool life while producing a smoother micro‑finish. This makes the insert particularly suitable for steel turning when small depth‑of‑cut strategies are applied. Reliable chip control for uninterrupted production Built with a double-sided chipbreaker and a cylindrical hole for secure clamping, the insert ensures predictable chip formation during continuous machining. The chip control geometry supports even, short chips that evacuate reliably, reducing the risk of surface marking and downtime caused by chip entanglement. In practical terms, this means fewer interruptions in batch or serial production and a more stable process window for high‑quality finishing operations on standard steels. Easy integration into ISO tool systems and holder compatibility The insert conforms to the ISO CNMG120408 designation, so compatibility with indexable holders is determined by form, relief angle, tolerance class, fastening type, size and thickness. The 4.76 mm thickness and rhombic shape allow straightforward replacement in common external holders and boring bars designed for CNMG plates. Where holders accept ISO‑standard rhombic inserts, swapping to this grade provides an immediate upgrade in surface finish without the need for special clamping hardware. Application benefits of the NS9530 grade The NS9530 grade is a finishing sort developed for low cutting forces and a sharp edge, optimised for continuous cuts and small feed-depths. As an uncoated cermet, it delivers excellent edge stability and a high resistance to built-up edge on steels, which is why it is frequently selected for parts requiring tight surface specifications. The material selection favours sustained surface quality over aggressive stock removal, positioning the insert as a specialist solution within a finishing toolset. Contact Metav Werkzeuge for tailored application advice or to order CNMG120408 NS9530 inserts; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 6998261 Manufacturer SKU: TUN6998261 SKU: 6998261-Tungaloy Designation: CNMG120408 NS9530 Tungaloy-Wendeplatte Model series: ISO indexable turning inserts Core specifications Corner radius: 0.8 mm Insert size: 12 mm Thickness: 4.76 mm Relief angle: 0° Hole: with cylindrical hole Features / Applications Uncoated cermet grade NS9530 Rhombic insert geometry (CNMG) Double-sided chipbreaker Suitable for finishing of steel ISO CNMG120408 compatibility Intended for external and internal turning FAQ What materials is this insert intended for? The CNMG120408 NS9530 Tungaloy uncoated cermet is intended primarily for finishing operations on steel, optimised for continuous cutting and small depths of cut. Is the insert coated or uncoated? This variant is an uncoated cermet in grade NS9530, designed for a sharp cutting edge and low cutting forces on steels. What is the corner radius and how does it affect the finish? The corner radius is 0.8 mm, providing a balance between edge strength and the ability to achieve fine surface finishes on turned components. How does chip control work with this insert? Chip control is achieved via the double-sided chipbreaker; it produces short, manageable chips suited to continuous finishing cuts and reduces the risk of surface damage. Which holders are compatible with this insert? Compatibility is governed by the ISO CNMG120408 geometry; holders matching the CNMG form, relief angle, tolerance and thickness are suitable for secure clamping and correct positioning 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 120408 NS9530 Wendeplatten - Tungaloy
High surface quality, low cutting forces and ISO compatibility make this insert a reliable choice for finishing operations; its rhombic 80° geometry and double‑sided chipbreaker support consistent cycle times and stable chip control. Order the CNMG120408 NS9530 directly via Metav Werkzeuge or ask our consultants if needed. CNMG120408 NS9530 turning insert by Tungaloy — uncoated cermet, rhombic 80° The CNMG120408 NS9530 is an ISO‑standard turning insert designed for external and internal turning, optimised as a finishing grade for steel with a sharp cutting edge and low cutting forces ISO‑standard CNMG format, compatible widely Uncoated NS9530 cermet for fine finishing Rhombic 80° geometry with 0° clearance Double‑sided chipbreaker, cylindrical hole Improved surface finish with low cutting forces The NS9530 grade is an uncoated cermet developed for finishing operations on steel where a high surface quality and reduced cutting forces are decisive. As a finishing grade, the material produces a fine edge that maintains sharpness during continuous cuts, resulting in fewer passes and less hand finishing. This characteristic reduces cycle times and can lower the risk of burnishing or subsurface damage, making the insert particularly suitable for precision components where dimensional tolerance and appearance matter. Reliable seating and predictable tool life for consistent parts The rhombic plate form and 80° included angle deliver a stable contact area between insert and toolholder, improving repeatability part after part. The ISO standard geometry simplifies holder selection because compatibility is determined by form, clearance, tolerance class, fastening and size rather than bespoke dimensions. The cylindrical locating hole and the 0° clearance ensure a secure fit and predictable cutting line, which minimises vibration and supports tighter tolerances on turned features. Stable chip control for continuous and small‑depth cuts Equipped with a double‑sided chipbreaker, the insert governs chip formation during continuous turning and when using small depths of cut. Stable chip control reduces secondary operations and improves tool‑to‑part interaction, particularly on long or slender workpieces where uncontrolled chips can mar the surface or obstruct coolant flow. The combination of the chipbreaker design and the sharp cermet edge supports efficient material removal while conserving machine time and operator intervention. Material guidance and selection for application demands Cermet differs from conventional cemented carbide by offering a harder cutting edge and superior finish in finishing conditions, though it is less tolerant to interrupted cuts and heavy roughing. For the best outcome, pair this grade with a holder that provides sufficient rigidity and select a chipbreaker suited to the workpiece stability and feed rate. Where continuous cuts and fine feeds are planned, the NS9530 grade provides an economical route to consistent surface integrity and extended time between regrinds. Contact Metav Werkzeuge for tailored selection advice on Tungaloy CNMG120408 NS9530 inserts — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 6735858 SKU: 6735858-Tungaloy Manufacturer SKU: TUN6735858 Model series: ISO‑Drehwendeschneidplatten Label: CNMG120408 NS9530 Tungaloy‑Wendeplatte Core technical data Radius: 0.8 mm Included angle: 80° Thickness: 4.76 mm Size: 12 mm Special features Material: cemented carbide base Cutting material: uncoated cermet (NS9530) Plate form: rhombic Hole: cylindrical hole (with hole) Chipbreaker: double‑sided Clearance angle: 0° Application: external and internal turning; finishing for steel Compatibility: ISO‑standard insert; holder compatibility depends on form, clearance, tolerance class and fastening FAQ What machining tasks are best suited to this grade? The NS9530 grade is intended for finishing operations on steel; the CNMG120408 NS9530 insert excels in continuous cuts and small depths of cut where a fine surface finish is required. Can this insert be used for interrupted cuts? Interrupted cuts are not the primary application for the NS9530 finishing grade; the insert performs best in continuous turning. For interrupted machining, a more robust grade would be preferable. How does the rhombic geometry affect tool selection? Rhombic geometry with an 80° included angle concentrates the cutting forces and helps achieve stable seating in ISO holders; select a holder matching the CNMG format, clearance and tolerance class for reliable performance. Is the chipbreaker suitable for long, finishing cuts? Yes, the double‑sided chipbreaker is designed to provide controlled chip formation during long, continuous finishing cuts, improving surface integrity and reducing manual clean‑up. Which materials should not be machined with this insert? This finishing cermet is optimised for steel; heavy roughing, hard interruptions or very abrasive alloys may lead to premature wear and are outside the intended use for this grade. 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 120408 NS9530 Wendeplatten - Tungaloy
Product data conflict detected: the dataset lists both "Hartmetall" and "uncoated cermet" as the cutting-material specification, which is inconsistent and creates confusion in determining the correct material type. This inconsistency must be resolved to ensure clarity and accuracy in the product information. Please correct the source data so the material is unambiguous and clearly defined, as this step is crucial before a product description can be generated. Ensuring the data is accurate and consistent will help avoid potential misunderstandings or errors in the final product description and improve the overall quality of the dataset for future use.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
Combining the 80° rhombic geometry with the NS9530 uncoated cermet grade, this insert offers fine finishing with low cutting forces and stable edge integrity for continuous turning operations. Order the CNMG120408 directly via Metav Werkzeuge or contact our advisors for selection guidance. CNMG 120408 NS9530 Tungaloy — Rhombic ISO turning insert for fine finishing CNMG120408 NS9530 Tungaloy is a rhombic ISO indexable insert designed for external and internal turning, optimised for finishing steel with small depths of cut. ISO rhombic insert 80° geometry Uncoated cermet NS9530 for fine finishing Double-sided chipbreaker, cylindrical hole Sharp cutting edge for low cutting forces Compatible with ISO turning toolholders High-precision finishing with low cutting forces The combination of the NS9530 uncoated cermet and the sharp cutting edge delivers a consistently high surface quality on steel in finishing operations. The 80° geometry and small corner radius reduce radial loading, which helps to keep cutting forces low and the machining process stable. For routines with continuous cuts and limited depths of cut, this configuration supports reliable chip formation and reduces the need for subsequent dressing or rework. Clear compatibility and safe integration into existing tool systems Designed as part of an ISO turning insert series, the plate fits holders when form, clearance, tolerance class, fastening, size and thickness match. The inscribed circle 12 mm and thickness 4.76 mm are standard dimensions that simplify replacement and holder matching. The insert is supplied with a cylindrical centre hole, enabling secure clamping in most ISO-compatible clamping systems and reducing set-up time on the machine. Efficient process behaviour and economical handling The double-sided chipbreaker allows reversal to a fresh cutting edge, extending service life per insert and improving cost-efficiency in production. As an indexable insert, the component minimises downtime for tool changes and supports predictable tool-change planning. Choosing a finishing grade such as NS9530 can shorten cycle times for consecutive finishing passes, while maintaining the desired surface integrity and dimensional tolerance. Material choice and recommended application scope The uncoated cermet grade NS9530 is selected specifically for finishing applications on steel where a sharp edge and low cutting forces are required. The grade is suited to continuous cutting with small feed and depth parameters, providing improved surface finish over many general-purpose grades. For less continuous, interrupted cuts or heavy roughing, alternative grades or geometries should be considered to match stability and wear demands. For precision finishing with the NS9530 grade, contact Metav Werkzeuge for ordering or technical advice: info@metav-werkzeuge.com | +49 2822 7131930 Technical Data Article number: 6998145 Manufacturer: Tungaloy SKU: 6998145-Tungaloy Manufacturer SKU: TUN6998145 ISO designation: CNMG120408 Facts Inscribed circle: 12 mm Thickness: 4.76 mm Corner radius: 0.8 mm Rake angle: 0° Cutting edge angle: 80° Special features Uncoated cermet grade NS9530 Double-sided chipbreaker Cylindrical centre hole Rhombic plate form For external and internal turning ISO-series indexable insert FAQ Which materials are best handled with this insert? The CNMG120408 NS9530 Tungaloy insert is optimised for finishing operations on steel, delivering low cutting forces and improved surface quality when used with continuous cuts and small depths of cut. Is the insert coated? The CNMG120408 is supplied as an uncoated cermet in grade NS9530, designed to provide a sharp cutting edge and fine surface finish. How is compatibility with toolholders ensured? Compatibility depends on matching the insert form, clearance (rake) angle, tolerance class, fastening method, size (inscribed circle 12 mm) and thickness (4.76 mm); CNMG120408 conforms to ISO standards for indexable turning inserts. Can the insert be reversed or indexed? Yes, the CNMG120408 features a double-sided chipbreaker, allowing reversal to a fresh cutting edge to extend usable life per insert. What applications suit this insert best? The insert is intended for external and internal turning as a finishing grade, particularly where a sharp edge and high surface quality are priorities under continuous 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 120408 NS9530 Wendeplatten - Tungaloy
Benefit from precise finishing and stable chip control delivered by the NS9530 cermet grade and the rhombic CNMG form; order the insert directly via Metav Werkzeuge or consult the team for application advice. CNMG 120408 NS9530 Tungaloy indexable turning insert for finishing operations The CNMG120408 NS9530 indexable turning insert is designed for finishing steel operations, combining a sharp cutting edge with low cutting forces for improved surface quality and consistent results. Cermet grade NS9530 for fine surface finish Sharp cutting edge for low cutting forces Double-sided chipbreaker for continuous cuts ISO CNMG 120408 form with cylindrical hole Consistent fine surface finish from a cermet finishing grade The uncoated cermet grade NS9530 is formulated for finishing applications on steel, offering a sharp cutting edge that reduces cutting forces and minimises built-up edge. In practice, this yields a finer surface texture and reduces secondary finishing requirements. The combination of the sharp edge and the low-vibration cutting behaviour of the plate is especially beneficial when machining continuous cuts or taking small depths of cut, where surface integrity and dimensional stability are critical. Reliable process with ISO-compliant geometry and secure clamping The rhombic CNMG form in the ISO CNMG120408 format provides a well-established geometry for both external and internal turning. The plate’s 80° cutting angle and 0° relief support predictable tool engagement, while the cylindrical hole allows secure locating and repeatable clamping in standard CNMG holders. As a double-sided insert, it delivers economical use of the cutting edges and smooth indexability, supporting stable production runs and quick tool changeovers. Chip control and system integration for productive turning A double-sided chipbreaker matched to the uncoated cermet improves chip formation during continuous cutting, lowering the risk of recutting and easing swarf handling. The insert’s 0.8 mm corner radius contributes to robustness in finishing passes without compromising surface appearance. Integration into a complete tool system — ISO insert, compatible external holder or boring bar, support shim and clamping set — ensures correct seating and simple spare part management, supporting high machine uptime and predictable component quality. For application-specific parameter recommendations or to confirm holder compatibility, technical inquiries can be directed to Metav Werkzeuge via the contact options below. For tailored advice or to secure stock of the Tungaloy CNMG120408 NS9530 insert for finishing work, contact Metav Werkzeuge for application guidance and order placement Technical data Article number: 6998135 SKU: 6998135-Tungaloy Manufacturer SKU: TUN6998135 Model series: ISO indexable turning inserts Key figures Size: 12 mm Thickness: 4.76 mm Corner radius: 0.8 mm Cutting angle: 80° Relief angle: 0° Design and special features ISO designation: CNMG120408 Grade: NS9530 Cutting material: uncoated cermet Chipbreaker: double-sided Hole: cylindrical hole Plate form: rhombic Application: turning FAQ Is this insert suitable for finishing steel? Yes. The CNMG120408 in NS9530 is a finishing-grade, uncoated cermet insert specifically intended for steel finishing, delivering a sharp cutting edge and reduced cutting forces. Can the plate be indexed to use all cutting edges? Yes. The CNMG form is double-sided and indexable; the design allows rotation to the next edge for economical edge usage and extended tool life. Which tool holders are compatible with this ISO plate? Compatibility is determined by ISO CNMG form, hole style and thickness; the CNMG120408 fits standard CNMG holders and rails when the holder matches form, relief and tolerance class. What chip control can be expected with this grade? The double-sided chipbreaker has been chosen for continuous cuts and produces controlled chip formation in finishing conditions, improving process stability. Is the insert supplied with mounting hardware? The product is the indexable insert itself; holders, shims and clamping sets are part of the overall tool system and should be sourced separately to match CNMG120408 specifications. 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 120408 NS9530 Wendeplatten - Tungaloy
Benefit from precise finishing, low cutting forces and reliable ISO compatibility to keep turning operations productive and repeatable; order original inserts directly via Metav Werkzeuge or consult our specialists for application matching. CNMG 120408 NS9530 ISO turning insert for finishing – Tungaloy The CNMG120408 NS9530 is an ISO rhombic turning insert designed for finishing steel with a sharp cutting edge and low cutting forces. ISO rhombic insert CNMG 120408 Uncoated cermet NS9530 for finishing 0.8 mm corner radius for fine surface Cylindrical hole, double-sided chipbreaker Achieve high-quality finishes with lower cutting forces The uncoated cermet grade NS9530 combines a very sharp cutting edge with reduced adhesion tendency, making it particularly suited for finishing operations in steel. Compared with conventional carbide grades, this material offers improved surface quality at small depths of cut and during continuous feeds. The result is fewer reworks, more stable cycle times and consistent part appearance; the smart choice for shops that prioritise surface integrity and process reliability. Secure indexing and compatibility across ISO systems Being an ISO-standard rhombic insert, compatibility with the toolholder depends on insert form, relief angle, tolerance class, clamping method, size and thickness. The 0° relief and the CNMG form ensure straightforward seating in common external holders and boring bars. This repeatable fit reduces setup variation and supports predictable tool life, so machining centres and CNC lathes maintain consistent dimensional results across runs. Geometry engineered for repeatable performance on the shop floor The combination of a 0.8 mm corner radius and an 80° included angle provides a balance between edge strength and the ability to produce fine surfaces. A plate thickness of 4.76 mm offers rigidity during light finishing cuts, while the cylindrical hole together with the double-sided chipbreaker secures positive clamping and effective chip control. Proper chip control reduces heat buildup and decreases the risk of built-up edge, supporting uninterrupted production and longer intervals between indexings. Practical recommendations for material and process selection This insert is optimised for turning steel in finishing applications with small feed and depth of cut; select the chipbreaker and grade according to workpiece material, operation type and machine stability. The cutting edge geometry and cermet grade deliver low cutting forces and excellent surface roughness in continuous cuts. The substrate is a robust carbide, which together with the uncoated cermet face provides a good compromise between edge acuity and wear resistance for repeatable shop-floor use. Contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 to discuss application suitability and to secure original Tungaloy CNMG120408 NS9530 inserts for precision finishing Technical Data Article number: 6998270 Manufacturer article number: TUN6998270 Seller SKU: 6998270-Tungaloy Model series: ISO turning inserts Cutting material: uncoated cermet NS9530 Dimensions & measurable data Size: 12 mm Thickness: 4.76 mm Corner radius: 0.8 mm Relief angle: 0° Included angle: 80° Design & special features Shape: rhombic (CNMG) Hole: with cylindrical hole Chipbreaker: double-sided Substrate: carbide Application: turning, finishing steel FAQ What operations suit this insert best? This insert is intended for finishing turning operations; the NS9530 cermet grade is optimised for continuous cuts and small depths of cut when machining steel. Is the CNMG120408 compatible with common ISO holders? Compatibility is determined by insert form, relief angle, tolerance class, clamping and thickness; the CNMG form and 0° relief are standard for many external holders and boring bars. How does the uncoated cermet affect surface finish? The uncoated NS9530 cermet delivers a very sharp edge and low cutting forces, which improves surface quality and reduces the need for secondary finishing. Does the insert include features for chip control? Yes, the CNMG120408 is supplied with a double-sided chipbreaker and a cylindrical hole to aid clamping and manage chip flow during finishing cuts. Which materials are recommended for this grade? The grade is designed primarily for steel finishing applications; choose chipbreaker and processing parameters based on workpiece stability and the desired surface finish. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
Take advantage of the combination of a specialised finishing grade, ISO compatibility and a secure clamping concept to improve surface quality and machining economy. Order the inserts directly via Metav Werkzeuge or ask the consultants for application-specific guidance. CNMG 120408 NS9530 – CNMG turning insert, uncoated cermet (Tungaloy) The CNMG120408 NS9530 is an ISO‑standard, rhombic turning insert designed for fine finishing of steel in continuous turning operations and for applications that prioritise surface integrity and low cutting forces. ISO‑standard CNMG 120408 rhombic insert NS9530 uncoated cermet for fine finishing Double‑sided chipbreaker with cylindrical hole 0° relief angle and 80° cutting edge angle Achieve consistently superior surface quality The uncoated cermet grade NS9530 is formulated for finishing passes on steel where a sharp cutting edge and low cutting forces are essential. This substrate delivers a fine micro‑edge that reduces built‑up edge and improves the surface finish on continuously fed cuts. In practical terms, the combination of the rhombic CNMG geometry and the cermet cutting composition enables reduced post‑processing and more consistent part tolerances, which benefits batch production and quality‑sensitive components. Faster, more predictable cycle times for finishing operations A double‑sided chipbreaker design lowers unit cost by enabling two effective cutting edges per insert and helps control chips during low to moderate depth cuts. The insert’s geometry — an 80° wedge angle with a 0° relief angle — supports stable contact with the workpiece, promoting steady cutting forces and predictable tool life. By selecting this grade for finishing, shops can reduce rejects and maintain higher throughput thanks to repeatable performance and fewer interruptions for manual adjustments. Seamless integration into ISO‑based turning systems Compatibility with ISO holders is determined by form, relief angle, tolerance class, fixation, size and thickness; the CNMG family is widely supported across standard carriers. The CNMG120408 insert features a 12 mm inscribed circle, 4.76 mm thickness and a 0.8 mm corner radius, with a cylindrical mounting hole for secure clamping. Selecting the correct chipbreaker and grade to match workpiece material and machine stability ensures the insert delivers the anticipated surface quality and economy in production environments. Contact Metav Werkzeuge for tailored application advice or to secure Tungaloy CNMG120408 NS9530 inserts; email info@metav-werkzeuge.com or call +49 2822 7131930 for availability and selection support Technical data Article number: 6998127 SKU: 6998127-Tungaloy Manufacturer SKU: TUN6998127 ISO designation: CNMG120408 Core technical figures Size (inscribed circle): 12 mm Thickness: 4.76 mm Corner radius: 0.8 mm Wedge angle: 80° Relief angle: 0° Special features Uncoated cermet grade NS9530 Rhombic CNMG plate form Double‑sided chipbreaker Cylindrical hole for screw fastening Designed for turning / ISO‑standard insert FAQ What materials is this insert suitable for? The CNMG120408 NS9530 insert is optimised for finishing on steel, offering a sharp cutting edge and low cutting forces suitable for continuous turning operations. Can the insert be used on reduced‑power machines? Yes, the NS9530 cermet grade produces low cutting forces, making the insert suitable for machines with limited spindle power when used in appropriate finishing parameters. How many usable edges does the insert provide? This rhombic CNMG insert is double‑sided, providing two usable cutting edges before indexing or replacement is required. Which holder features must be checked for compatibility? Compatibility depends on holder form, relief angle, tolerance class, fixation method, size and thickness; verify these specifications with the intended ISO‑standard holder before fitting the CNMG120408. What performance benefits can be expected in production? Expect improved surface finish, reduced manual rework, and predictable tool life when the NS9530 grade and the CNMG geometry are matched to the workpiece and process stability. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand‑new product from the manufacturer.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
The combination of uncoated cermet NS9530 and the 80° CNMG profile with a 0.8 mm nose radius delivers low cutting forces and excellent surface finish for finishing turns. Robust chip control from the double‑sided chipbreaker and ISO compatibility ensure reliable, productive machining. Order the insert directly via Metav Werkzeuge or consult our advisors for tailored selection support. CNMG 120408 NS9530 Tungaloy — ISO turning insert for finishing A CNMG120408 NS9530 indexable turning insert optimised for fine finishing of steel components in external and internal turning applications ISO-compliant CNMG insert Uncoated cermet NS9530 for fine finishing Double-sided chipbreaker for continuous cuts 80° rhombic form with 0.8 mm nose radius Precision finishing with lowered cutting forces The uncoated cermet NS9530 grade is designed as a finishing allotment for steel, providing a sharp cutting edge and low cutting forces that reduce vibration and improve stability during light cuts. This results in improved surface quality and consistent part tolerance in continuous turning operations. The chemistry and microstructure of the cermet promote a fine edge and good wear resistance under finishing conditions, so the finishing pass requires fewer reworks and produces an even, repeatable surface texture. ISO compatibility and secure clamping for consistent results Built to ISO standards, the insert’s form and dimensions guarantee predictable compatibility with standard CNMG housings and external holders. Compatibility is determined by form, clearance angle, tolerance class, attachment, size and thickness; the CNMG 120408 designation and the rhombic geometry simplify selection of a matching holder and clamping set. The insert’s cylindrical hole and standard fixing interface support secure mounting, minimising movement at the cutting zone and maintaining cutting geometry over longer cycles. Productive chip control and process reliability The double-sided chipbreaker on this indexable insert supports continuous cutting and reliable chip formation when working at finishing feeds and shallow depths of cut. Stable chip control reduces the risk of tangling and improves tool-life predictability, enabling higher effective productivity in serial machining. Combined with the grade’s edge retention, this results in fewer indexings and a stable production flow, particularly for medium- to high-volume runs where repeatability and surface integrity are priorities. Practical guidance for application and selection For outer and inner turning of steel components, select the NS9530 grade and the double-sided chipbreaker when aiming for top surface finish and minimal cutting forces. The 0.8 mm nose radius suits fine finishing passes, offering a compromise between edge strength and surface finish. Choose the appropriate holder and clamping hardware that match the ISO form and the 4.76 mm plate thickness to ensure full support of the cutting edge and to prevent chatter in less rigid set-ups. For varying materials or heavier cuts, consider a different grade or chipbreaker designed for increased toughness. Contact Metav Werkzeuge for a tailored recommendation on the Tungaloy CNMG 120408 NS9530 insert (SKU 6998143-Tungaloy) and to confirm holder compatibility for specific turning applications Technical data Article number: 6998143 Manufacturer SKU: TUN6998143 SKU: 6998143-Tungaloy Model series: ISO-Drehwendeschneidplatten Type designation: CNMG120408 Facts Size: 12 Thickness: 4.76 mm Clearance angle: 0° Included angle: 80° Nose radius: 0.8 mm Hole style: cylindrical hole Special features Uncoated cermet NS9530 Rhombic plate form Double-sided chipbreaker Designed for external and internal turning Suitable for continuous cuts and fine finishing ISO designation CNMG 120408 FAQ What machining tasks is this insert best suited for? The CNMG120408 NS9530 Tungaloy insert is intended for finishing in turning operations on steel; its uncoated cermet composition and fine edge provide low cutting forces and high surface quality for external and internal turning. How is compatibility with holders determined? Compatibility depends on the ISO form, clearance angle, tolerance class, attachment method, plate size and thickness; the CNMG120408 designation and the 4.76 mm thickness should be matched to the corresponding holder and clamping set. Does this insert offer reliable chip control? Yes, the double-sided chipbreaker on this indexable insert provides consistent chip formation during continuous cuts, improving process reliability and reducing rework. Is the grade coated or uncoated? The NS9530 grade is an uncoated cermet, specifically engineered for fine finishing of steel where a sharp cutting edge and low cutting force are required. How many usable cutting edges are available per insert? With a double-sided configuration, the insert provides multiple indexable edges; the exact number of edges depends on the insert geometry and the chosen indexing strategy, documented for CNMG-style plates. 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 120408 NS9530 Wendeplatten - Tungaloy
Take advantage of precise finishing performance and economical double‑sided use: the uncoated NS9530 cermet grade delivers a sharp cutting edge and low cutting forces for consistent surface quality. Order directly via Metav Werkzeuge or contact our consultants for holder compatibility and application advice. CNMG 120408 NS9530 — Turning insert (ISO) by Tungaloy The CNMG 120408 NS9530 is an ISO‑standard turning insert designed for finishing operations on steel, offering a sharp cutting edge for continuous cuts and small depths of cut. ISO‑standard CNMG insert for turning Uncoated cermet grade NS9530 for finishing Double‑sided chipbreaker for economy Corner radius 0.8 mm for fine surface finish Precision finishing with cermet for consistent surface quality The uncoated cermet grade NS9530 is optimised for finish turning, combining ceramic hardness with metal toughness to maintain a sharp cutting edge and resist abrasive wear. This composition reduces flank wear during continuous light cuts, resulting in low cutting forces and a high surface finish on steel workpieces. The result is fewer rework cycles and more predictable part quality in production runs. Robust ISO geometry and flexible mounting for economical use The insert follows the ISO‑standard CNMG form, listed as CNMG120408, with a rhombic geometry and an included angle of 80°. The 12 mm size and 4.76 mm thickness offer stability in a wide range of external and internal holders. The corner radius 0.8 mm provides a compromise between edge strength and surface quality, while the double-sided chipbreaker doubles the number of usable edges, reducing tooling cost per part. A cylindrical hole enables secure clamping with standard screws and seats. Application guidance and process security for turning operations Designed primarily for finishing on steel, the grade performs best with continuous cuts and small depths, where the uncoated cutting edge gives clean part surfaces and predictable tool life. Select the chipbreaker and grade according to workpiece material and machine stability to avoid chatter and extend effective edge life. As a Tungaloy production item, the insert benefits from controlled manufacturing tolerances, which supports repeatable results and simplifies holder selection when compatibility is checked by form, relief angle, tolerance class, mounting and thickness. For finishing tasks where surface quality and repeatability matter, ask Metav Werkzeuge about the Tungaloy CNMG 120408 NS9530 (SKU TUN6998131) for tailored holder recommendations — call +49 2822 7131930 or email info@metav-werkzeuge.com Technical Data Article number: 6998131 Manufacturer SKU: TUN6998131 SKU: 6998131-Tungaloy Model series: ISO turning inserts Dimensions / Core data Size: 12 mm Thickness: 4.76 mm Corner radius: 0.8 mm Included angle: 80° Relief angle: 0° Double‑sided: Yes Design / Special features ISO designation: CNMG120408 Grade: NS9530 (uncoated cermet) Material: cemented carbide Shape: rhombic Hole: with cylindrical hole Chipbreaker: double‑sided Application: Turning FAQ What materials is this insert intended for? The CNMG 120408 NS9530 insert is specified as a finishing grade for steel and is best applied in continuous turning operations on steel workpieces. Is the insert coated? This Tungaloy insert uses an uncoated NS9530 cermet grade; the lack of coating supports very sharp edges and excellent surface finishes in finishing passes. How many cutting edges are available per insert? The double‑sided chipbreaker provides two usable cutting edges per side, effectively offering up to four edges before regrinding or replacement is required, depending on wear and application. What holder features are necessary for compatibility? Compatibility depends on form, relief (clearance) angle, tolerance class, mounting method, size and thickness; the CNMG geometry and cylindrical hole match common ISO holders for turning. Which operations suit this insert best? This insert is designed for external and internal finishing turns with small depths of cut and continuous cutting conditions to exploit the low cutting forces and sharp edge. Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.
CNMG 120408 NS9530 Wendeplatten - Tungaloy
The combination of a sharp uncoated cermet grade and ISO compatibility ensures consistent precision finishes on steel with low cutting forces; benefit from stable performance for continuous turning operations and straightforward retrofitting into ISO holders. Order the CNMG120408 NS9530 inserts directly via Metav Werkzeuge or consult the team for application advice. CNMG120408 NS9530 Tungaloy ISO turning indexable insert — uncoated cermet, 0.8 mm radius The CNMG120408 NS9530 is an ISO rhombic turning indexable insert designed for fine finishing of steel components in external and internal turning operations. Uncoated cermet NS9530 for fine finishing Low cutting forces and sharp cutting edge Double-sided chipbreaker for continuous cuts ISO rhombic 120408 with 0.8 mm corner radius Consistent fine finishing on steel components The uncoated cermet composition and the NS9530 grade deliver a deliberately sharp cutting edge that reduces cutting forces and improves surface finish during finish-turning. This material choice is optimised for continuous cuts and small depths of cut, yielding a measurable reduction in rework and improved first-pass quality. The result is a reliable finishing solution for steel parts where dimensional tolerance and surface integrity are critical. Smooth integration into ISO tool systems Designed to the ISO CNMG120408 form, the rhombic geometry and 0° relief angle guarantee compatibility with standard external holders and boring bars when size, thickness and clamping match. The insert’s cylindrical hole and specified thickness support secure clamping and repeatable positioning, simplifying tool changeover and reducing machine downtime for series production environments. Productivity and process advantages during machining The double-sided chipbreaker geometry enables indexable use and stable chip formation in finishing conditions, contributing to predictable tool life and process reliability. With a 0.8 mm corner radius the insert balances edge strength and fine surface generation; this makes the grade particularly suitable for achieving tight surface roughness targets without excessive cutting forces. Practical machining guidance and application fit For turning applications in steel where a high-quality finish is required, the combination of carbide substrate and cermet wearing characteristics reduces built-up edge and enhances dimensional stability. The insert is optimised for operations that prioritise finish quality over heavy material removal; selecting the correct holder rigidity and feed rate will maximise the NS9530 performance and deliver consistent throughput. Contact Metav Werkzeuge for tailored machining recommendations and to order Tungaloy CNMG120408 NS9530 inserts for prompt delivery — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 6998139-Tungaloy Manufacturer article number: 6998139 Manufacturer SKU: TUN6998139 Manufacturer: Tungaloy Facts Geometry designation: CNMG120408 Corner radius: 0.8 mm Relief angle: 0° Included hole: with cylindrical hole Plate thickness: 4.76 mm Insert size: 12 mm Cutting edge angle: 80° Special features Material: carbide substrate with uncoated cermet top layer Grade: NS9530 Chipbreaker: double-sided Shape: rhombic Application: turning (external and internal finishing) Typical use: continuous cutting, small depths of cut, fine finishing of steel Compatibility: ISO-standard holders determined by form, relief angle, tolerance, clamping, size and thickness FAQ What machining tasks is this insert best suited for? The CNMG120408 NS9530 Tungaloy insert is intended for finishing operations in turning, especially where a sharp cutting edge and low cutting forces are required to achieve high surface quality on steel components. Can this insert be used in standard ISO CNMG toolholders? Yes, the insert follows the ISO CNMG120408 form; compatibility depends on matching the holder’s seat form, relief angle, tolerance class, clamping method and the insert thickness of 4.76 mm. Is the insert coated or uncoated, and what does that mean for tool life? This Tungaloy indexable insert is an uncoated cermet in grade NS9530; the uncoated surface supports exceptionally sharp edges for finishing, with process advantages on continuous cuts and stable surface generation. How does the 0.8 mm corner radius affect performance? A 0.8 mm corner radius provides a compromise between edge strength and the ability to produce fine surface finishes; it supports small depths of cut typical in finishing passes with reduced tendency to vibration. Does the CNMG120408 NS9530 include a chipbreaker, and what is its benefit? Yes, the insert features a double-sided chipbreaker, which promotes consistent chip control and allows indexable use, thereby extending effective tool life in continuous finishing operations. 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 120408 PF 1515 Indexable Insert - Sandvik
Unsure whether the tool is the right one? Or are you missing technical data?Just get in touch with us! 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Product characteristics indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF1515-SANDVIK Figures for the tool: ISO-Code: CNMG120408 Clearance Angle: 0° Thickness: 4,76mm Radius: 0.8 Features Material: cemented carbide Grade: 1515 Chip Breaker: PF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their respective owners. The use of brand names and trademarks is for descriptive purposes only. There is no connection whatsoever between our company and the brands mentioned. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120408-1515-Sandvik 40END
CNMG 120408 PF 1525 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!!! 📧 eMail: info@metav-werkzeuge.com ✔️ WhatsApp: +49 170 2837271 ☎️ Phone: +49 2822 7131930 Product features for CNMG 120408 indexable inserts from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF1525-SANDVIK Data & Figures: ISO-Code: CNMG120408 Clearance Angle: 0° Thickness: 4,76mm Radius: 0.8 Features Material: cemented carbide Grade: 1525 Chip Breaker: PF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and protected trademarks are the property of their respective owners. The inclusion of registered trademarks and trade names is for illustrative purposes only. There is no connection whatsoever between our company and the brands mentioned. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120408-1525-Sandvik 40END
CNMG 120408 PF 4305 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!!! ☎️ Phone: +49 2822 7131930, 📧 eMail: info@metav-werkzeuge.com, ✔️ WhatsApp: +49 170 2837271 Design details indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF4305-SANDVIK Facts for the tool: ISO-Code: CNMG120408 Clearance Angle: 0° Thickness: 4,76mm Radius: 0.8 Special features Material: cemented carbide Grade: 4305 Chip Breaker: PF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: The rights to brand names and registered trademarks are held by their rightful owners. The inclusion of registered trademarks and trade names is for illustrative purposes only. Named brands are in no way associated or co-operate with our company. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120408-4305-Sandvik 40END
CNMG 120408 PF 4315 Indexable Insert - Sandvik
Didn't find the right insert in our selection? No problem, we are at your side!► Send us a picture of your insert directly by e-mail.► Send us your drawing directly by e-mail.► Send us your sample insert or drawing by post. Performance features for indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF4315-SANDVIK ISO-Code: CNMG120408 Grade: 4315 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 0.8 Chip Breaker: PF Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. The mention of brands and registered trademarks is for descriptive purposes only. There is no connection whatsoever between our company and the brands mentioned. The article presented is a brand-new original product of the Sandvik brand. 40START indexable-inserts-CNMG-120408-4315-Sandvik 40END
CNMG 120408 PF 4415 Indexable Insert - Sandvik
Not sure whether this tool is suitable for your application? Or are you still missing important technical details? No problem!Contact us - we will be happy to advise you. ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271, 📧 eMail: info@metav-werkzeuge.com Product characteristics indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF4415-SANDVIK Facts for the tool: ISO-Code: CNMG120408 Clearance Angle: 0° Thickness: 4,76mm Radius: 0.8 Features Material: cemented carbide Grade: 4415 Chip Breaker: PF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: The rights to brand names and registered trademarks are held by their rightful owners. The mention of brands and registered trademarks is for descriptive 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-120408-4415-Sandvik 40END
CNMG 120408 PF 4425 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!!! 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930, ✔️ WhatsApp: +49 170 2837271 Product characteristics for indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF4425-SANDVIK ISO-Code: CNMG120408 Grade: 4425 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 0.8 Chip Breaker: PF Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their respective owners. The indication of brand names and trademarks is for information purposes only. Mention of the brands does not imply any relationship to our company. The items offered are original, brand-new goods of the Sandvik brand. 40START indexable-inserts-CNMG-120408-4425-Sandvik 40END
CNMG 120408 PF 5015 Indexable Insert - Sandvik
Are you unsure whether the tool is suitable for your application? Or do you need further technical information?No problem - feel free to contact us! ✔️ WhatsApp: +49 170 2837271, 📧 eMail: info@metav-werkzeuge.com, ☎️ Phone: +49 2822 7131930 Design details for indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PF5015-SANDVIK Facts for the tool: ISO-Code: CNMG120408 Clearance Angle: 0° Thickness: 4,76mm Radius: 0.8 Special features Material: cemented carbide Grade: 5015 Chip Breaker: PF with hole Hole Style: cylindrical hole Form: rhombic Chip Breaker: double-sided Manufacturer: Brand names and registered trademarks are the property of their rightful owners. The mention of protected brand names and trademarks is for illustrative purposes only. Mention of the brands does not imply any relationship to our company. The items offered are original, brand-new goods of the Sandvik brand. 40START indexable-inserts-CNMG-120408-5015-Sandvik 40END
CNMG 120408 PM 1525 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 Technical data for indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PM1525-SANDVIK ISO-Code: CNMG120408 Grade: 1525 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 0.8 Chip Breaker: PM Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. The indication of brand names and trademarks is for information 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-120408-1525-Sandvik 40END
CNMG 120408 PM 4305 Indexable Insert - Sandvik
Not sure whether this tool is suitable for your application? Or are you still missing important technical details? No problem!Contact us - we will be happy to advise you. ✔️ WhatsApp: +49 170 2837271 📧 eMail: info@metav-werkzeuge.com ☎️ Phone: +49 2822 7131930 Product specifications for indexable inserts CNMG 120408 from Sandvik Brand: Sandvik Manufacturer Order Number: CNMG120408PM4305-SANDVIK ISO-Code: CNMG120408 Grade: 4305 Material: cemented carbide Form: rhombic Clearance Angle: 0° with hole Hole Style: cylindrical hole Thickness: 4,76mm Radius: 0.8 Chip Breaker: PM Chip Breaker: double-sided Manufacturer: Ownership of brand names and protected trademarks remains with their owners. Quotations of brand names and registered trademarks are for illustrative purposes only. The brands mentioned are not in any contractual relationship with our company. This is a brand new original product of the leading brand Sandvik. 40START indexable-inserts-CNMG-120408-4305-Sandvik 40END
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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