WNMG 080412 AH905 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated AH905 carbide for wear resistance, the HMM chipbreaker for stable chip control, and ISO compatibility for straightforward integration into existing turning systems — order via Metav Werkzeuge or consult our specialists for application advice.

WNMG080412 AH905 – ISO turning insert, PVD-coated carbide, Tungaloy

The WNMG080412-HMM AH905 is a trigon ISO turning insert designed for reliable external and internal turning where a sharp cutting edge and process security are required.

• PVD-coated carbide AH905 for wear resistance
• HMM chipbreaker for stable chip control
• Trigon form with 80° cutting angle

Consistent chip control for uninterrupted production

The combination of the HMM chipbreaker and the AH905 PVD-coated carbide produces predictable chip formation and reduced re-cutting, which directly improves cycle-time stability. For machining operations where process repeatability matters, the engineered chip geometry lowers the risk of built-up edge and tool damage, enabling longer uninterrupted runs. The trigon insert form and the defined 1.2 mm corner radius support medium-depth cuts while keeping cutting forces within expected limits, translating into fewer tool changes and higher throughput.

ISO conformity for painless holder compatibility

Conformance to the ISO designation and the standardised dimensions means straightforward replacement and interchangeability with existing holders and boring bars. The ISO 080412 form, 4.76 mm thickness and the cylindrical centre hole ensure secure fixing and stable clamping; the 0° clearance angle and the 80° tool angle determine the insert’s engagement and surface generation. These measurable specifications simplify process planning and reduce setup uncertainty when integrating the insert into a production line.

Hard-wearing grade for reliable edge integrity

The AH905 grade is a PVD-coated, wear- and fracture-resistant carbide developed for demanding turning tasks that require a sharp cutting edge and high process reliability. Its surface treatment improves resistance to abrasive wear and thermal softening, which helps maintain dimensional stability of components over longer tool lives. As a result, finishing quality is more consistent and repeatability between batches is improved, supporting quality targets in serial production.

For tailored application advice or to secure prompt supply of Tungaloy inserts, contact Metav Werkzeuge — info@metav-werkzeuge.com or +49 2822 7131930 — for assistance with grade selection and holder compatibility.

Technical data

• Article number: 6859465
• SKU (manufacturer): TUN6859465
• SKU: 6859465-Tungaloy
• Label: WNMG080412-HMM AH905
• Model series: ISO turning indexable inserts

Facts

• ISO code: 080412
• Size: 08
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Cutting angle: 80°
• Clearance angle: 0°

Special features

• Carbide base material
• PVD-coated grade AH905
• HMM chipbreaker
• Trigon (triangular) plate form
• With cylindrical hole
• Application: Turning

FAQ

What advantages does this insert offer for production turning?
The WNMG080412-HMM AH905 insert delivers wear resistance from its PVD-coated AH905 grade and consistent chip control via the HMM chipbreaker, reducing downtime and improving process stability.

Which workpiece materials are suitable for this grade?
This PVD-coated carbide grade is suitable for a broad range of turning tasks where a sharp cutting edge and process security are required; suitability depends on the specific material and cutting parameters.

How does the 1.2 mm corner radius affect machining?
A 1.2 mm corner radius balances edge strength and surface quality, allowing moderate feeds and contributing to a robust cutting edge for repeated operations.

How to check holder compatibility for this insert?
Compatibility is determined by the ISO designation, plate form, thickness, hole style and tolerance class; verify the holder accepts WNMG 080412 inserts with a cylindrical hole and 4.76 mm thickness.

Can this insert be used for internal turning as well as external?
Yes, the insert’s trigon form and secure clamping via the cylindrical hole permit both external and internal turning applications when combined with an appropriate holder or boring bar.

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.