CNMG 120408 T6215 Wendeplatten - Tungaloy

The combination of a CVD-coated carbide grade T6215 and the ISO CNMG120408 geometry ensures consistent edge life and reliable performance when turning stainless steel; order the insert directly via Metav Werkzeuge or consult our technical advisors for application support.

CNMG120408 T6215 ISO turning indexable insert (CVD-coated, 0.8 mm radius) – Tungaloy

A CNMG120408 T6215 indexable insert designed for turning applications, especially suited to stable or lightly interrupted cutting of stainless steels.

• CVD-coated carbide grade T6215
• Optimised for stainless steel turning
• Double-sided chipbreaker, with cylindrical hole
• ISO CNMG120408 form, 0.8 mm corner radius

Improved wear resistance for demanding stainless steel turning

The CVD-coated carbide grade T6215 provides a wear‑resistant cutting surface that extends usable cutting life compared with uncoated grades. The chemical vapour deposition layer reduces adhesive wear and thermal softening commonly encountered when machining stainless steel, which leads to fewer index changes and more predictable tool costs. This performance benefit translates into higher process stability and reduced downtime in medium to high-volume turning tasks.

Stable geometry for predictable surface finish and tool life

The rhombic ISO form with an 80° included angle and a 0° clearance is engineered to deliver stable cutting conditions under steady to slightly interrupted cuts. The 0.8 mm corner radius supports improved edge strength, producing a consistent surface finish while resisting chipping at moderate feed rates. For production environments where repeatability matters, the controlled geometry aids in achieving constant part quality and reduces rework.

Practical compatibility and mounting considerations

As an ISO‑standard indexable insert, the CNMG120408 fits a wide range of external holders and boring bars when the holder’s shape, tolerance class, fastening method, size and thickness match the insert specification. The cylindrical hole allows secure clamping and simple index changes, while the double-sided chipbreaker ensures effective chip control on both edges, helping to avoid entanglement and facilitating evacuation in automatic turning operations. This setup minimises interruptions and supports continuous machining.

Selecting the right grade and chipbreaker for the job

Choosing T6215 and the double-sided chipbreaker suits applications where wear resistance and chip control are priorities, particularly for austenitic and ferritic stainless steels under stable cutting conditions. For applications with heavy interruptions or exotic alloys, assessment of cutting forces and holder rigidity is recommended to select an alternative geometry or grade. Technical consultation is available to match cutting parameters and holder specifications to the insert’s strengths.

For reliable stainless steel turning with Tungaloy’s CVD‑coated grade T6215, request stock and tailored technical advice from Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6875483
• Manufacturer SKU: TUN6875483
• Model series: ISO‑Drehwendeschneidplatten
• Material: Hartmetall
• Coating/grade: T6215 (CVD‑coated carbide)

Facts

• Angle: 80°
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 0.8 mm
• Clearance (relief) angle: 0°

Special features

• ISO CNMG120408 rhombic insert form
• Double-sided chipbreaker
• With cylindrical hole for secure clamping
• Suitable for turning of stainless steel
• Compatible with ISO external holders and boring bars

FAQ

What applications is this insert best suited for?
The CNMG120408 T6215 insert from Tungaloy is best suited for outside and inside turning where wear resistance and chip control are important, particularly when machining stainless steel under stable to lightly interrupted conditions.

How does the T6215 coating improve performance?
The CVD‑coated carbide grade T6215 on the CNMG120408 insert provides enhanced resistance to adhesive and thermal wear, improving edge life and maintaining cutting performance in stainless steel turning.

Is the insert reversible and how does the hole help?
Yes; the insert is double‑sided, offering two usable cutting edges. The cylindrical hole facilitates reliable clamping and straightforward index changes in compatible ISO clamping systems.

Which holders are compatible with this ISO insert?
Compatibility depends on holder form, clearance angle, tolerance class, fastening method, size and thickness; the CNMG120408 follows ISO standards and fits holders designed for CNMG‑type 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.