CNMG 090404 T6215 Wendeplatten - Tungaloy

A robust choice for high-demand turning operations, combining a CVD-coated carbide grade T6215 with a 0.4 mm corner radius for consistent edge life and reliable chip control under stable to slightly interrupted cuts. Order the insert directly via Metav Werkzeuge or consult our specialists for holder compatibility and cutting-data recommendations.

CNMG090404 T6215 turning insert — CVD-coated carbide, 0.4 mm corner radius (Tungaloy)

CNMG090404 T6215 is a CVD-coated carbide indexable insert engineered for turning applications, optimised for machining stainless steels under stable to lightly interrupted conditions.

• CVD-coated carbide grade T6215
• Optimised for stainless steel turning
• Rhombic CNMG shape, 80° cutting edge
• 0.4 mm corner radius, double-sided design

Higher productivity and predictable tool life for stainless-steel turning

The CVD coating on this grade delivers a wear-resistant surface that helps maintain cutting-edge integrity during extended runs. As a result, the insert supports consistent component quality and reduced rework rates when processing stainless steel. The combination of a wear-resistant carbide substrate and the T6215 coating reduces flank and crater wear, which translates to longer in‑service intervals and fewer insert changes. This yields measurable productivity gains on automated lathes and turning centres where uptime and cycle-time stability are priorities.

Secure clamping and ISO compatibility reduce setup uncertainty

Compatibility with the toolholder depends on form, relief angle, tolerance class, fastening method, size and thickness; this standardised approach ensures straightforward tool selection and interchangeability. The rhombic CNMG form with an 80° cutting edge and a cylindrical locating hole provides repeatable seating and secure clamping, lowering the risk of vibration and edge misalignment. For manufacturers aiming to shorten setup times, the ISO-standardised geometry simplifies inventory management and guarantees that replacement inserts fit existing holders specified for CNMG plates.

Geometry and chip control tuned for stable cuts

The 0.4 mm corner radius offers a compromise between edge strength and surface finish: robust enough to withstand light interruptions, yet small enough to achieve acceptable surface quality in finishing passes. The double-sided chipbreaker design enables two usable cutting edges per side, optimising tool utilisation and cost efficiency. When selecting cutting parameters, pairing this geometry with appropriate feed and depth-of-cut values yields stable chip formation and reduced built-up edge on stainless alloys, improving component finish and dimensional stability.

Practical benefits on the shop floor: economy and availability

As an ISO-standardised insert, CNMG090404 T6215 supports efficient stock management and rapid replacement. The CVD coating and carbide core aim to deliver a balance of tool life and process reliability, which often reduces the total cost of machining per part. For operations targeting repeatable production results, the insert’s proven behaviour in stainless-steel applications helps planners forecast tooling intervals and set up preventive changeover schedules, contributing to consistent throughput and lower unplanned downtime.

Contact Metav Werkzeuge for cutting-data sheets, holder compatibility checks and availability for the Tungaloy CNMG090404 T6215 insert

Technical Data

• Article number: 6903013
• Manufacturer SKU: TUN6903013
• SKU: 6903013-Tungaloy
• Designation: CNMG090404
• Model series: ISO-Drehwendeschneidplatten

Facts

• Corner radius: 0.4 mm
• Cutting edge angle: 80°
• Relief angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 09

Special features

• Shape: rhombic (CNMG)
• Coating: CVD-coated carbide
• Grade: T6215
• Chipbreaker: double-sided
• Locating feature: cylindrical hole for secure clamping
• Intended application: turning
• Typical assembly: insert, suitable external holder or boring bar, clamp and replacement screws

FAQ

Which materials is this insert intended for?
The CNMG090404 T6215 insert is formulated for machining stainless steels under stable to slightly interrupted turning conditions, providing wear resistance and controlled chip formation.

How does the T6215 grade affect tool life?
The T6215 CVD-coated carbide offers a wear-resistant surface that helps prolong tool life compared with uncoated grades, especially when machining stainless alloys with typical work-hardening tendencies.

What holder features are required for correct fitment?
Correct fitment requires a holder matching the CNMG form and dimensions — attention should be paid to relief angle, tolerance class, fastening method, size and thickness to ensure the insert seats and clamps securely.

Can the insert be used for interrupted cuts?
Yes; the geometry and grade are suitable for stable to lightly interrupted cuts. For heavily interrupted conditions, a larger corner radius or a more robust grade may be advisable.

How many cutting edges are available per insert?
The double-sided chipbreaker design provides multiple indexable edges; the exact count depends on the insert orientation and whether both sides are used before replacement.

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.