VNMG 120408 AH6225 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated AH6225 for stainless steels, a TSF chipbreaker tuned to medium turning and the ISO compatibility that keeps holder interchangeability simple — order the inserts directly via Metav Werkzeuge or contact our consultants for application advice.

VNMG120408 AH6225 indexable insert for turning — Tungaloy, PVD-coated, TSF chipbreaker

VNMG120408E-TSF AH6225 is an ISO-form indexable insert designed for external and internal turning applications, optimised for machining stainless steels with a stable cutting edge and predictable chip control

• ISO compatibility for standard holders
• PVD-coated AH6225 for stainless steels
• TSF chipbreaker for medium turning
• Rhombic VNMG geometry, 0° relief angle

Consistent machining performance for stainless steels

The PVD-coated AH6225 grade delivers a balance between edge sharpness and robustness that is particularly effective when machining stainless steels. The thin, wear-resistant coating reduces built-up edge and extends tool life under interrupted cuts and variable conditions. As a result, cycle times can be stabilised and regrinds reduced, which supports predictable productivity. The combination of a tuned cutting grade and a repeatable insert geometry ensures reliable surface quality with fewer process interventions.

ISO compatibility and secure mounting for industrial use

Manufactured to ISO dimensions, the insert fits holders when form, relief angle, tolerance class, fixation, size and thickness match. The rhombic VNMG shape with a cylindrical hole and a 4.76 mm plate thickness provides secure clamping and straightforward indexation. The specified 0° relief angle and the 0.8 mm corner radius enable robust support in the pocket and reduce the risk of edge chipping during heavier passes, which helps maintain dimensional accuracy over long production runs.

Chip control and application guidance for medium turning

The TSF chipbreaker is engineered for medium turning in stainless materials, producing controllable short to medium chips that evacuate reliably in typical lathe setups. Choose the TSF variant and the AH6225 grade when machining austenitic or lean‑alloy stainless steels under changing cut conditions. For best results, match the insert to a holder with adequate rigidity and select feeds that promote chip breaking rather than long, stringy formation, reducing downtime for clearing and improving operator safety.

Economic advantages through lower downtime and repeatable results

Using a grade designed for process stability provides tangible economic benefits: fewer edge failures, longer effective tool life and more consistent part quality. The insert’s construction from carbide with a PVD layer supports repeated indexing while maintaining flank integrity. Where production demands require predictable turnaround, the combination of geometry, chipbreaker and coating supports efficient batch machining and reduces the frequency of insert changes, contributing to lower total machining costs.

For tailored application advice on the Tungaloy VNMG120408E-TSF AH6225 indexable insert and to verify compatibility with existing holders, please contact Metav Werkzeuge GmbH at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 6947442
• Manufacturer SKU: TUN6947442
• Product SKU: 6947442-Tungaloy
• Model series: ISO turning indexable inserts

Core specifications

• Shape: rhombic (VNMG)
• Size / designation: 120408
• Plate thickness: 4.76 mm
• Corner radius: 0.8 mm
• Relief angle: 0°
• Included hole: cylindrical hole
• Cutting angle: 35°

Special features

• Material: carbide
• Coating / grade: PVD-coated AH6225
• Chipbreaker: TSF
• Application: turning (external and internal)
• ISO standardised dimensions for holder compatibility

FAQ

What materials is this insert best suited for? This insert is intended for machining stainless steels; the AH6225 PVD-coated carbide grade combined with the TSF chipbreaker is optimised for a wide range of stainless materials.

How does the TSF chipbreaker affect machining? The TSF chipbreaker on the VNMG120408E-TSF promotes short to medium chip formation during medium turning, improving chip evacuation and process stability for stainless steels.

Which holders will accept this insert? Holders compatible with ISO VNMG inserts and matching form, relief angle, tolerance class, fixation size and plate thickness will accept the insert; check holder pocket geometry against the ISO dimensions.

Is the insert suited for internal turning as well as external turning? Yes, the insert’s geometry and chip control characteristics make it suitable for both external and internal turning operations when the holder provides sufficient rigidity.

Can the VNMG120408E-TSF AH6225 be rotated when worn? The insert is indexable; rotating to a fresh cutting edge is standard practice. Follow the holder and machine manufacturer recommendations for secure clamping and indexing.

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.