CNMG 120412 T6215 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide wear resistance and the ISO CNMG geometry for consistent turning performance; the double-sided design reduces downtime and tooling costs. Order genuine Tungaloy inserts directly via Metav Werkzeuge or contact our consultants for machining recommendations.

CNMG 120412 T6215 indexable turning insert for turning — Tungaloy

CNMG120412 T6215 is an ISO-format indexable insert intended for general external and internal turning, engineered for stable to slightly interrupted machining of stainless steels

• ISO form CNMG120412
• CVD-coated carbide grade T6215
• Double-sided chipbreaker
• Designed for stainless steels

Consistent performance with a wear-resistant CVD coating

The CVD-coated carbide composition of this insert provides a wear-resistant cutting edge specifically developed for machining stainless steels under stable conditions. The chemical vapour deposition layer offers improved thermal stability and adhesion compared with uncoated grades, which translates into longer tool life and fewer indexings. For manufacturers focused on process reliability, this means predictable component tolerances and reduced unplanned tool changes, supporting continuous production and lower piece-costs per component.

Geometry engineered for predictable chip control and strength

The rhombic CNMG form delivers a robust platform for turning operations: an 80° included angle and a 1.2 mm corner radius combine to increase edge strength while maintaining accessibility to profile details. The insert’s geometry harmonises with the holder when matching is carried out by form, clearance angle, tolerance class, fastening method, size and thickness. Proper pairing of insert and toolholder ensures repeatable cutting conditions and minimises vibration, helping to preserve surface finish and extend insert life.

System integration and economical handling

As an indexable insert, the component is double-sided for cost-effective use: when one edge is worn, the insert can be rotated or flipped to present a fresh cutting edge, reducing tooling inventory and changeover time. The turning system comprises the ISO insert, a suitable external holder or boring bar, and the relevant shim/clamp set plus spare screws; correct assembly and torque on the fixing screw are essential for secure clamping and stable cutting. The included hole (cylindrical) facilitates straightforward mounting and repeatable positioning in standard ISO seats.

Practical selection and process advice for turning applications

Select the chipbreaker and grade to match workpiece material, machining type and machine stability — the T6215 grade is optimised as a wear-resistant solution for rostfreier Stahl in steady to mildly interrupted cuts. For heavier interruptions or unstable setups, consider a tougher geometry or a different grade to prevent chipping. Where surface finish is critical, slower feeds and optimised nose radius reduce vibration and help achieve target Ra values. For additional process tuning, consult the specifications for holder compatibility and verify clearance angles to avoid rubbing and premature wear.

Order genuine Tungaloy CNMG 120412 T6215 inserts through Metav Werkzeuge — for procurement or detailed machining advice contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930

Technical Data

• Article number: 6875484
• SKU: 6875484-Tungaloy
• Manufacturer SKU: TUN6875484
• Model series: ISO indexable turning inserts
• Product name: CNMG120412 T6215 Tungaloy insert
• Material: carbide
• Grade/coating: CVD-coated, T6215

Facts

• Corner radius: 1.2 mm
• Included angle: 80°
• Plate thickness: 4.76 mm
• Insert size: 12 mm
• Clearance angle: 0°

Design and features

• Rhombic insert shape (CNMG)
• With hole — cylindrical hole
• Double-sided chipbreaker
• ISO-standard indexable insert
• Suitable for turning of stainless steels

FAQ

What materials is this insert suitable for? This CNMG120412 T6215 insert by Tungaloy is intended primarily for machining stainless steels under stable to slightly interrupted conditions; the T6215 grade offers enhanced wear resistance for such applications.

Is the insert indexable and how does that save cost? Yes — the double-sided CNMG insert is indexable, allowing the unused cutting edges to be presented after wear; this reduces per-edge cost and minimises downtime for replacement.

Which factors determine compatibility with a toolholder? Compatibility depends on insert form, clearance angle, tolerance class, fastening method, insert size and thickness; matching these parameters to the holder ensures secure clamping and correct rake/relief conditions for the cut.

How should the chipbreaker be selected? Choose the chipbreaker based on workpiece material, feed and depth of cut; the insert’s double-sided chipbreaker suits a range of turning tasks, but selecting the correct chip control geometry improves swarf control and surface finish.

Can the insert be used for internal turning/boring as well as external turning? Yes — ISO CNMG inserts such as this one are commonly applied to both external and internal turning operations when used with appropriate boring bars or internal holders.

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.