CNMG 120408 AH6225 Wendeplatten - Tungaloy

Benefit from the combination of a PVD-coated AH6225 grade and the robust CNMG geometry for reliable edge life and stable performance in variable turning conditions; order the CNMG120408 insert directly via Metav Werkzeuge or ask the consultants for application guidance.

CNMG 120408 AH6225 indexable turning insert by Tungaloy — PVD-coated carbide, rhombic CNMG geometry

The CNMG120408 AH6225 Tungaloy indexable turning insert for ISO turning applications, designed for external and internal turning with a sharp yet stable cutting edge.

• ISO-standard rhombic CNMG geometry
• PVD-coated AH6225 grade for stainless steels
• 0.8 mm corner radius for reliable cutting
• Double-sided insert with cylindrical hole

Consistent performance from the AH6225 PVD-coated grade

The AH6225 grade is a PVD-coated carbide designed as a universal solution for machining stainless steels, combining a sharp cutting edge with sufficient toughness for mid-range operations. The coating reduces built-up edge and improves wear resistance, which translates into longer tool life and more consistent surface finish. For workshops seeking predictable cycle times, this grade offers a balance between cutting-edge retention and resistance to unstable cutting conditions, reducing the need for frequent insert changes and supporting steady production flow.

Secure clamping and repeatable set-up for dependable turning

Constructed to the ISO CNMG form, the insert’s rhombic geometry and 80° included angle provide a stable engagement with the workpiece while the cylindrical through-hole and standard dimensions ensure compatibility with common external holders and boring bars. The 0° relief angle and 0.8 mm corner radius contribute to a robust cutting edge that tolerates small positional deviations without chipping. Because compatibility is determined by form, relief angle, tolerance class, mounting and thickness, the insert integrates into a conventional tool system with minimal adaptation, supporting rapid replacements and consistent clamping repeatability.

Practical advantages in workshop turning applications

Designed for both external and internal turning, the insert is double-sided, effectively doubling usable edges and improving cost efficiency per cutting edge. The ISO designation simplifies procurement and tool management within the toolroom, while the 4.76 mm plate thickness and standard inscribed circle facilitate stable seating in the holder. The combination of a universal chipbreaker option and the AH6225 grade allows selection of a chip control suited to the specific workpiece and process stability, leading to improved surface quality and reduced machine downtime. In short, the insert helps maintain productivity through easier tool handling and predictable performance under varying machining conditions.

For application advice on the Tungaloy AH6225 grade or to secure CNMG120408 inserts from Metav Werkzeuge, contact Metav Werkzeuge by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 6946676

Facts

• Inscribed circle / size: 12 mm
• Corner radius: 0.8 mm
• Plate thickness: 4.76 mm
• Relief angle: 0°
• Included angle: 80°

Special features

• ISO designation: CNMG120408
• Grade / coating: AH6225 (PVD-coated carbide)
• Plate form: rhombic
• Chipbreaker: double-sided
• Hole: with cylindrical hole
• Application: Turning
• Model series: ISO turning indexable inserts
• Material: carbide

FAQ

What materials is this insert intended for?

The CNMG120408 AH6225 Tungaloy insert (SKU TUN6946676) is intended primarily for stainless steels and similar alloys, offering balanced toughness and edge sharpness for mid-range turning operations.

Is the CNMG120408 compatible with standard CNMG holders?

Compatibility depends on form, relief angle, tolerance class, mounting method, size and thickness; the CNMG120408 follows ISO CNMG dimensions and is compatible with holders designed for ISO CNMG inserts.

Can the insert be used for internal turning as well as external turning?

Yes, the CNMG120408 is suitable for both external and internal turning where the holder and cutting conditions match the insert geometry and grade.

How does the AH6225 coating benefit workshop processes?

The PVD-coated AH6225 grade reduces built-up edge and improves wear resistance, which helps maintain surface finish and extends usable edge life under varying cutting conditions.

How many cutting edges are available per insert?

The CNMG120408 is double-sided, providing multiple usable cutting edges to improve cost efficiency per insert.

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.