CNMG 120404 T6215 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide, precise geometry and robust chip control for consistent turning of stainless steel; order directly via Metav Werkzeuge or consult our experts for application-specific guidance.

CNMG 120404 T6215 turning insert for Drehen — Tungaloy

The CNMG120404 T6215 is an ISO-standard rhombic indexable insert designed for external and internal turning, optimised for stainless steel and stable to lightly interrupted cuts.

• ISO-standard rhombic insert for turning
• CVD-coated carbide grade T6215
• 0.4 mm corner radius for fine finishing
• Double-sided chipbreaker with cylindrical hole

Consistent performance for stainless steel and similar alloys

The CNMG120404 T6215 grade provides a combination of wear resistance and reliable cutting-edge stability that suits continuous and slightly interrupted turning operations in stainless steel. The CVD-coated carbide substrate increases resistance to flank and crater wear, which leads to longer periods between index changes and fewer unscheduled tool interventions. For shops requiring repeatable surface quality, the rhombic geometry with its defined 80° cutting angle helps maintain dimensional accuracy on external profiles while the 0° relief simplifies insert seat alignment in standard ISO holders.

Effective chip control and extended tool life

A correctly matched double-sided chipbreaker reduces serrated chip formation and supports stable evacuation, especially when machining sticky workpiece materials. The controlled chip flow reduces heat concentration at the cutting edge, thereby preserving the integrity of the CVD coating and the carbide substrate. This results in improved process security and a more predictable tool life, which in turn supports higher productivity and decreased downtime in batch production or single-component runs.

System compatibility and mounting considerations

As part of an ISO-series system, insert compatibility depends on form, relief angle, tolerance class, fastening method, size and thickness. The rhombic plate with a cylindrical hole is suited to many standard external holders and boring bars; correct clamping and use of the matching shim and screw are essential to achieve the specified repeatability. The 4.76 mm thickness and standard 12 mm inscribed circle make the insert a straightforward replacement in common toolholders, simplifying inventory management and tool change procedures on the shop floor.

Application guidance and selection rationale

Select the T6215 grade where stable cutting conditions and good wear resistance are required—typical for stainless steel under continuous turns. A 0.4 mm corner radius allows a balance between edge strength and surface finish; smaller radii for fine finishing or larger radii where profile strength is critical. If unfamiliar with the term, CVD coating stands for chemical vapour deposition, a process that deposits hard layers to protect the carbide and reduce chemical wear; this enhances performance across a broader temperature range than uncoated grades.

For reliable turning results with Tungaloy’s T6215 grade, contact Metav Werkzeuge for tailored cutting parameters and availability via info@metav-werkzeuge.com or call +49 2822 7131930 to secure suitable stock and technical advice.

Technical Data

• Article number: 6944554
• Manufacturer SKU: TUN6944554
• SKU: 6944554-Tungaloy
• Series: ISO-Drehwendeschneidplatten
• Application: Drehen

Facts

• Inscribed circle: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Cutting angle: 80°
• Relief angle: 0°
• Hole: with hole (cylindrical)

Special features

• Material: carbide
• Coating: CVD
• Grade: T6215
• Shape: rhombic
• Chipbreaker: double-sided
• Hole style: cylindrical hole
• ISO-compatible insert system

FAQ

What materials is this insert intended for?
The CNMG120404 T6215 insert is designed for machining stainless steel and similar alloys under stable to lightly interrupted cutting conditions.

Which holders will accept this rhombic insert?
Holders that comply with ISO geometries for CNMG inserts and match the 12 mm inscribed circle, 4.76 mm thickness and cylindrical hole configuration will accept the insert; correct clamping torque and shim selection are essential for repeatable results.

How does the T6215 grade affect cutting performance?
T6215 is a wear-resistant CVD-coated carbide grade that delivers enhanced flank and crater wear resistance, resulting in extended tool life and consistent surface finish during turning operations.

What does the 0.4 mm corner radius mean for surface finish?
A 0.4 mm corner radius provides a compromise between edge strength and surface quality, offering improved finish compared with larger radii while maintaining sufficient edge robustness for many turning tasks.

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.