CNMG 120404 AH6235 Wendeplatten - Tungaloy

Take advantage of the PVD-coated carbide AH6235 grade, the 0.4 mm corner radius and the ISO CNMG form to achieve stable turning performance in stainless steels; order the required inserts and matching holders directly via Metav Werkzeuge or consult the team for holder compatibility and process optimisation.

CNMG 120404 AH6235 Tungaloy indexable turning insert — PVD-coated carbide, 0.4 mm radius

A CNMG120404 AH6235 indexable insert for turning, designed for demanding stainless-steel work and interrupted cuts in industrial machining

• PVD-coated carbide grade AH6235
• Optimised for stainless steel machining
• CNMG rhombic insert, 80° cutting angle
• Double-sided chipbreaker, 0.4 mm corner radius

Precision and edge integrity for challenging turning tasks

The CNMG 120404 AH6235 insert combines a PVD-coated surface with a tough carbide substrate to provide a balance between wear resistance and fracture toughness. This combination makes the insert particularly suitable for stainless steels and applications with a higher risk of built-up edge or intermittent cutting. The 0.4 mm corner radius strengthens the cutting edge, reducing chipping while maintaining acceptable surface finish, and the rhombic CNMG geometry gives dependable entry and exit behaviour during external and internal turning operations.

Stable chip control and predictable process performance

A double-sided chipbreaker on the insert promotes consistent chip formation across a range of feeds, while the 80° cutting angle supports robust cutting forces in conventional turning setups. The insert is ISO‑configured (120404) so compatibility with holders depends on form, relief angle, tolerance class, clamping and thickness; the overall system typically comprises an ISO insert, a matched external holder or boring bar, a shim/clamping set and replacement screws. These attributes contribute to process stability and predictable tool life in production environments.

Practical guidance for selection and use

Choose the AH6235 grade and the double-sided chipbreaker when machining austenitic or other ductile stainless steels, or when interrupted cuts increase the risk of edge failure. Ensure holder compatibility by matching form, relief angle (0°), tolerance class, clamping method and plate thickness (4.76 mm). The insert’s cylindrical hole and robust plate thickness support secure clamping; pairing the insert with a suitable holder reduces vibration and improves surface quality. For mixed-material batches, select the chipbreaker and cutting data that prioritise consistent chip evacuation.

Contact Metav Werkzeuge for tailored advice on the CNMG 120404 AH6235 insert, matching holders or to request a quotation: info@metav-werkzeuge.com | +49 2822 7131930

Technical Data

• Article number: 6903353-Tungaloy
• Manufacturer SKU: TUN6903353
• Manufacturer article number: 6903353
• Model series: ISO turning indexable inserts
• Label: CNMG120404 AH6235 Tungaloy insert
• Manufacturer: Tungaloy

Facts

• ISO designation: 120404
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 0.4 mm
• Cutting angle: 80°
• Relief angle: 0°

Special features

• Carbide substrate with PVD coating (AH6235)
• Rhombic CNMG shape
• Double-sided chipbreaker
• Cylindrical hole for clamping
• Suitable for external and internal turning
• Designed for interrupted cuts and higher breakout risk

FAQ

What materials is this insert best suited for?
The CNMG 120404 AH6235 insert is optimised for stainless steels, offering a tougher grade and PVD coating that together improve resistance to chipping and adhesive wear during machining of austenitic and other ductile stainless alloys.

How does the 0.4 mm corner radius affect performance?
A 0.4 mm corner radius increases edge strength and reduces the likelihood of chipping in interrupted cuts, at the cost of a modest increase in cutting forces compared with a smaller radius; it is a pragmatic choice for robust, reliable turning.

Is the insert compatible with standard CNMG holders?
Compatibility depends on holder form, relief angle, tolerance class, clamping and plate thickness; the ISO designation and plate dimensions (12 mm, 4.76 mm) must match the holder specifications for correct seating and secure clamping.

What benefits does the AH6235 grade offer?
The AH6235 grade combines a tough carbide substrate with a PVD coating to deliver improved fracture resistance and wear protection, specifically tuned for stainless-steel applications and situations with increased breakout risk.

Can this insert be used for internal boring as well as external turning?
Yes; the geometry and rhombic CNMG form allow use in both external and internal operations, provided the selected holder and clamping arrangement are suitable for the application.

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.