CNMG 090412 T6215 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide, a 1.2 mm corner radius, and a double-sided chipbreaker for stable, economical turning of stainless steel; order the CNMG090412 T6215 insert directly via Metav Werkzeuge or ask our consultants if needed.

CNMG090412 T6215 — CNMG indexable turning insert (CVD-coated carbide, 1.2 mm radius) by Tungaloy for Turning

The CNMG090412 T6215 is a rhombic, ISO‑format indexable insert designed for general external and internal turning where stable cutting and wear resistance on stainless steel are required.

• CVD-coated carbide T6215 for wear resistance
• 0° clearance angle for stable cutting geometry
• 1.2 mm corner radius for robustness
• ISO CNMG090412, rhombic form with cylindrical hole

Consistent performance on stainless steel and similar alloys

The CVD-coated carbide grade T6215 is engineered for abrasion resistance and predictable flank wear when machining stainless steel under stable to lightly interrupted conditions. The coating reduces chemical affinity at elevated temperatures, which helps preserve the cutting edge and improves surface quality; this results in more consistent cycle times and less frequent tool changeovers. With a double-sided chipbreaker, the insert delivers repeatable chip control while allowing two usable cutting edges per side, improving material efficiency and lowering tooling cost per part.

Simple fitment and predictable assembly for production environments

The insert conforms to the ISO CNMG090412 specification and features a cylindrical hole for secure clamping. Compatibility with a holder depends on form, clearance angle, tolerance class, fastening method, size and thickness, so matching the insert to a suitable external holder or boring bar is essential for safe operation. The 4.76 mm plate thickness and rhombic form provide stable seating; use the correct shim and clamp set with the specified replacement screws to ensure repeatable clamping torque and minimise vibration. Clear labelling of insert size and hole style streamlines tool room logistics and reduces setup time.

Operational advantages: surface finish, tool life and productivity

Thanks to the combination of grade, geometry and chipbreaker, the insert offers improved surface finish and stable chip formation, which reduces rework and machine idle time. The 1.2 mm radius balances edge strength and detail capability, making the insert suitable for general turning passes where robustness is required. The indexable concept and double-sided design enable quick edge changes without tool regrinding, supporting continuous production and lowering total cost of ownership. In practice, choosing the correct chipbreaker and cutting data for the workpiece material will maximise these benefits and extend the service life of the tool.

Contact Metav Werkzeuge for application advice or to request the CNMG090412 T6215 insert — call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• Article number: 6944552
• Manufacturer item number: 6944552
• Manufacturer SKU: TUN6944552
• SKU: 6944552-Tungaloy
• Model series: ISO indexable turning inserts
• Type designation: CNMG090412
• Grade: T6215
• Material: carbide
• Coating: CVD

Key dimensions

• Corner radius: 1.2 mm
• Plate thickness: 4.76 mm
• Insert size: 09
• Included angle: 80°
• Clearance angle: 0°
• Hole: with cylindrical hole

Special features

• Rhombic form (CNMG)
• Double-sided chipbreaker
• ISO CNMG090412 compatibility
• Designed for turning applications
• Suitable for stainless steel under stable to lightly interrupted conditions

FAQ

What materials is this insert suited for?
The CNMG090412 T6215 insert is formulated for stainless steel and similar alloys; the CVD coating improves wear resistance when turning these materials.

How does the chipbreaker affect performance?
The double-sided chipbreaker on the insert ensures controlled chip formation and helps maintain consistent surface finish during continuous turning operations.

What must be checked for holder compatibility?
Holder compatibility depends on form, clearance angle, tolerance class, fastening type, insert size and thickness; ensure the external holder or boring bar matches the ISO CNMG090412 geometry.

Can the insert be indexed to use multiple cutting edges?
Yes, the CNMG090412 insert is double-sided and indexable, allowing multiple edges to be used before replacement, which reduces tooling costs.

What does the 0° clearance angle mean in practice?
A 0° clearance angle provides a neutral wedge geometry that can improve edge stability in certain turning setups; selection should match the workpiece and holder rigidity.

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.