VNMG 120412 AH8015 Wendeplatten - Tungaloy

The combination of a PVD-coated carbide grade (AH8015) and the ISO VNMG geometry delivers reliable edge stability and wear resistance for turning heat-resistant alloys; the precise 1.2 mm corner radius and 35° approach angle support consistent surface quality and predictable tool life. Order the insert directly via Metav Werkzeuge or consult our specialists for application-specific selection.

VNMG120412E-PM AH8015 VNMG 120412 AH8015 — Indexable turning insert for turning, Tungaloy

The VNMG120412E-PM AH8015 is an ISO rhombic indexable insert designed for external and internal turning of heat-resistant alloys, offering a balanced combination of wear resistance and cutting-edge stability.

• PVD-coated AH8015 for heat-resistant alloys
• ISO VNMG geometry for secure clamping
• 1.2 mm corner radius for accurate profile
• Cylindrical hole; 4.76 mm plate thickness

Increased process reliability and longer tool life

The PVD-coated AH8015 carbide grade provides a measured compromise between wear resistance and cutting-edge stability, which reduces unscheduled tool changes in continuous production. With the PM chipbreaker geometry, chip formation is controlled when machining tougher, heat-resistant alloys; this lowers the risk of built-up edge and supports a steadier surface finish. The combination of the 1.2 mm corner radius and the 35° approach angle helps distribute cutting forces and maintain a consistent contact zone, translating into predictable performance across runs.

Seamless integration into ISO turning systems

Compatibility is governed by insert form, relief angle, tolerance class, fastening and dimensional fit; the rhombic ISO VNMG shape and standard hole style ensure straightforward mounting in widely available holders. The insert forms part of a system comprising the indexable insert, a matching external holder or boring bar, a shim or clamp set and replacement screws. Selecting the correct holder geometry and tolerance class ensures repeatable seating and avoids vibration, so productivity benefits from reduced setup time and uniform component quality.

Practical selection advice for material-specific machining

For turning heat-resistant alloys, the AH8015 grade is a first-choice option where a balance between edge life and toughness is required. Choose the PM chipbreaker when moderate feeds and reliable chip control are priorities; for heavier interruptions or unstable setups, consider chipbreakers and grades that prioritise edge strength. The PVD coating improves temperature resistance at the cutting zone, while the carbide substrate provides the core support for edge integrity. When uncertain about the best combination for a specific alloy or stability condition, match the insert’s geometry and grade to the clamping rigidity and cutting data of the machine.

For tailored application advice or to secure the Tungaloy VNMG120412E-PM AH8015 for robust turning operations, contact Metav Werkzeuge—eMail: info@metav-werkzeuge.com or phone +49 2822 7131930

Technical data

• Article number: 6966340
• Manufacturer article number: 6966340
• Manufacturer SKU: TUN6966340
• SKU: 6966340-Tungaloy
• Model series: ISO turning indexable inserts
• Designation: VNMG120412E-PM AH8015

Core specifications

• Corner radius: 1.2 mm
• Plate thickness: 4.76 mm
• Size: 12 mm
• Clearance (relief) angle: 0°
• Approach angle: 35°
• Hole style: cylindrical hole
• Chipbreaker: PM
• Grade: AH8015

Materials & special features

• Material: carbide (Hartmetall)
• Coating: PVD
• Plate form: rhombic
• Application: turning (external and internal)
• Suitable for: heat-resistant alloys
• System requirements: matching holder, shim/clamp set and screws

FAQ

What materials is this insert designed for?
The VNMG120412E-PM AH8015 is specified for machining heat-resistant alloys; the AH8015 PVD-coated carbide grade balances wear resistance and edge stability for such materials.

How does the PM chipbreaker affect chip formation?
The PM chipbreaker promotes controlled chip formation under typical turning feeds, improving evacuation and reducing the likelihood of chip entanglement during processing.

Is the insert compatible with standard VNMG holders?
Yes — the ISO VNMG geometry, cylindrical hole and standard dimensions make the insert compatible with holders designed for ISO VNMG inserts, provided the holder matches form, size, thickness and tolerance class.

What does the 0° clearance angle mean in practice?
A 0° relief indicates the nominal relief geometry for this insert series; ensure holder and setup accommodate this specification for correct seating and cutting geometry.

Can the PVD coating withstand high cutting temperatures?
The PVD coating on the AH8015 grade increases resistance to thermal wear and is intended to improve performance when machining heat-resistant alloys.

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.