VNMG 120404 AH8015 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated carbide durability, a 0.4 mm corner radius for precise finishes, and ISO compatibility to maintain a stable turning process; order the insert directly via Metav Werkzeuge or consult our specialists for tailored advice.

VNMG120404E-PM AH8015 indexable turning insert — PVD-coated carbide, 0.4 mm radius for general turning (Tungaloy)

VNMG120404E-PM AH8015 is an ISO-format indexable insert designed for external and internal turning, optimised for heat-resistant alloys and general-purpose machining.

• ISO form VNMG120404 for standard holders
• PVD-coated carbide AH8015 for heat-resistant alloys
• 0.4 mm corner radius for versatile finishing
• Cylindrical hole for secure clamping

Reliable cutting performance for heat-resistant alloys

The VNMG120404E-PM insert offers a robust mix of wear resistance and edge stability thanks to its PVD-coated carbide grade AH8015. The coating reduces flank wear during elevated-temperature operations, which helps to extend tool life and maintain dimensional accuracy over longer tool cycles. In practical machining terms, this leads to fewer tool changes and more predictable component tolerances, making the insert a dependable choice for workshops handling alloyed steels and other heat-resistant materials. The combination of coating and substrate balances toughness and hardness, so the insert remains resilient under interrupted cuts while still delivering a consistent surface finish.

Precision geometry that supports repeatable results

With a 0.4 mm corner radius and a rhomboid ISO form, the insert provides controlled cutting forces and good edge strength for finishing and medium turning. The 0° clearance angle and a 35° lead angle ensure a stable engagement with the workpiece, reducing chatter and promoting smooth chip flow when the correct PM chipbreaker is selected for the application. The rhomboid shape and cylindrical hole guarantee reliable clamping in standard holders, while the 4.76 mm thickness contributes to mechanical stiffness; together these features support repeatable quality across batch production and one-off jobs alike.

Compatibility and system integration for efficient workshop use

This insert complies with ISO sizing, so compatibility with matching external holders, boring bars and clamping sets is determined by shape, relief angle, tolerance class, mounting method, size and thickness. The insert forms part of a complete system: insert, appropriate holder or boring bar, backing plate or clamping kit, and replacement screws. Specifying the correct PM chipbreaker and grade AH8015 for the workpiece material and machining stability yields the best productivity gains. Where high cutting speeds are needed, the PVD layer moderates wear, enabling consistent cycle times and reduced process variation.

Practical advantages for production planning and tool management

Using ISO-standard inserts simplifies inventory and tool-change procedures: fewer special parts, straightforward holder selection and clear replacement criteria based on measured wear. The insert’s balance of wear resistance and edge strength reduces the likelihood of unexpected failures, supporting continuous production. For maintenance teams, the clear geometry and ISO code make ordering replacements and matching spare parts uncomplicated, while the PVD coating and carbide substrate provide reliable life expectancy when operated within recommended cutting parameters.

Contact Metav Werkzeuge to specify the right Tungaloy VNMG120404E-PM AH8015 insert for the intended turning application, confirm holder compatibility and arrange delivery or technical consultation

Technical Data

• Article number: 6966327

Facts

• Manufacturer SKU: TUN6966327
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Clearance angle: 0°
• Lead angle: 35°
• Hole: with cylindrical hole

Special features

• Material: Carbide
• Coating: PVD
• Grade: AH8015
• Chipbreaker: PM
• Shape: rhomboid
• Application: Turning

FAQ

What materials is this insert best suited for?
The VNMG120404E-PM AH8015 insert is intended primarily for heat-resistant and alloyed materials; the PVD-coated AH8015 grade balances wear resistance and edge strength for general turning.

How does the 0.4 mm corner radius affect surface finish?
A 0.4 mm corner radius helps achieve a fine surface finish while maintaining edge stability; for delicate finishing passes, the smaller radius reduces cutting forces and improves dimensional control with this Tungaloy insert.

Is the insert compatible with standard ISO holders?
Yes, the insert follows ISO dimensions (VNMG120404 form), so compatibility depends on matching holder geometry, mounting method and tolerance class rather than on the insert alone.

What chipbreaker is supplied and when should it be used?
This item features the PM chipbreaker; it is suited for general turning where controlled chip formation is required, especially with alloyed or heat-resistant workpiece materials.

Can this insert be used for internal and external turning?
The VNMG120404E-PM is suitable for both external and internal turning operations when paired with the correct external holder or boring bar and matched cutting parameters.

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.