TNMG 160412 AH6225 Wendeplatten - Tungaloy

Take advantage of the combination of a PVD-coated carbide grade and a 60° triangular geometry for consistent medium-duty turning of stainless steels; this insert delivers a sharp yet stable cutting edge and reduces tool-change frequency. Order directly via Metav Werkzeuge or consult our specialists for application guidance.

TNMG 160412 AH6225 TNMG ISO 160412 AH6225 Turning Insert – Tungaloy

TNMG160412 AH6225 is an ISO-standard triangular indexable turning insert for external and internal turning in medium-duty applications

• PVD-coated carbide AH6225 grade
• Sharp yet stable cutting edge
• 60° triangular insert, 16 mm size
• Double-sided chipbreaker, 1.2 mm radius

Optimised performance for stainless-steel turning

The PVD-coated AH6225 grade is formulated for reliable machining of stainless steels, combining a sharp cutting edge with a resilient substrate to reduce edge chipping under variable conditions. This balance improves workpiece finish and reduces the need for premature insert changes, delivering measurable productivity gains on mixed-batch production. The coating enhances wear resistance at elevated temperatures typical of stainless-steel turning, helping to maintain consistent dimensional accuracy over longer tool life.

Geometry that supports stable cutting and repeatability

A triangular ISO insert with a 60° included angle offers robust support and multiple cutting corners for economical use. The 1.2 mm radius and 16 mm size, together with a 4.76 mm plate thickness, provide a predictable cutting profile and good vibration damping during external and internal turning. The double-sided chipbreaker is designed for medium cutting depths and helps produce consistent chip formation, which simplifies coolant strategy and chip disposal. Compatibility with holders depends on form, relief angle, tolerance class, fastening and plate thickness, so correct clamping is essential for repeatable results.

Practical benefits for workshop productivity and process security

Using an indexable insert with a PVD-coated carbide substrate reduces setup time and keeps tooling costs controllable by offering multiple re-usable corners. The universal nature of the grade means fewer tool changes when switching between similar steels, supporting stable production and lower tooling inventories. As part of a complete system—insert, matching external holder or boring bar, shim/clamping set and replacement screws—this insert integrates into standard turning workflows to improve throughput while maintaining surface quality and dimensional consistency.

For reliable, productive turning with Tungaloy’s PVD-coated AH6225 grade, contact Metav Werkzeuge for tailored advice or to secure stock — Metav Werkzeuge is available at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6947370
• Manufacturer SKU: TUN6947370
• SKU: 6947370-Tungaloy
• Model series: ISO turning indexable inserts
• Insert designation: TNMG160412

Facts

• Size: 16 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Included angle: 60°
• Relief angle: 0°
• Hole: with hole (cylindrical hole)
• Geometry: triangular

Special features

• Grade: AH6225 (PVD-coated carbide)
• Application: universal for stainless steels, medium turning
• Chipbreaker: double-sided
• Compatibility: ISO-standard insert requiring matching holder, shim and clamping set
• Insert form: TNMG, two usable edges per side

FAQ

What materials is this insert suited for?
The TNMG160412 AH6225 insert is specified as a universal grade for stainless steels and performs well in medium-duty turning of those materials.

How does the AH6225 grade support tool life?
The PVD-coated AH6225 grade combines a wear-resistant coating with a tough carbide substrate, giving a sharp yet stable cutting edge that extends usable life in variable conditions.

Which insert geometry is provided and what does it mean for rigidity?
The triangular TNMG form with a 60° included angle provides multiple cutting corners and good rigidity for general external and internal turning applications.

Is the chipforming suitable for finishing or roughing?
The double-sided chipbreaker on this insert is optimised for medium cutting conditions; it supports controlled chip formation and consistent surface quality rather than heavy roughing only.

How should compatibility with holders be checked?
Compatibility is determined by insert form, relief angle, tolerance class, fastening, size and thickness; ensure the holder matches the TNMG160412 geometry and clamping method.

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.