SNMG 120408 AH6225 Wendeplatten - Tungaloy

Combine the PVD-coated AH6225 grade with the ISO SNMG120408 format to achieve stable cutting performance on rostfreie Stähle; the 0.8 mm corner radius and double-sided chipbreaker deliver consistent edge life and predictable surface finish. Order the SNMG120408 AH6225 Tungaloy indexable insert directly via Metav Werkzeuge or consult their specialists for application guidance and fast supply.

SNMG120408 AH6225 square ISO turning insert, PVD-coated carbide — Tungaloy

The SNMG120408 AH6225 is an ISO-standard square indexable insert for external and internal turning, developed for medium-duty operations and optimised for machining rostfreie Stähle.

• ISO SNMG120408 square 90° insert
• AH6225 PVD-coated carbide grade
• 0.8 mm corner radius for robust edges
• Double-sided chipbreaker with cylindrical hole

Reliable performance for medium-duty turning

The SNMG120408 AH6225 indexable insert combines a PVD-coated carbide substrate with a geometry tuned for steady cutting in mixed conditions. The housing of the insert is square (90°), which provides predictable support under radial loads, while the 0.8 mm corner radius smooths engagement and reduces notch formation at interrupted cuts. As a result, tool life stabilisation is achieved through a balance of sharpness and edge strength, bringing repeatable component quality for general turning tasks.

Compatibility and clamping: fit, form and secure fastening

Compatibility with toolholders is determined by insert form, relief angle, tolerance class, attachment method, size and thickness; the SNMG120408 features a cylindrical hole that enables positive clamping in a wide range of ISO external holders and boring bars. The plate is double-sided, permitting rotation to a fresh edge and reducing downtime for indexable operations. Documentation and correct seat geometry ensure secure fixation and repeatable positioning for batch production.

Material grade benefits and machining scope

The AH6225 grade is a PVD-coated hardmetal designed as a universal solution for rostfreie Stähle, providing a sharp yet stable cutting edge under medium machining parameters. The coating supports heat resistance and wear control, which helps maintain surface finish and dimensional stability across varying feeds. Selecting a matching chipbreaker and grade to the work material, machining style and setup rigidity will optimise productivity and reduce the frequency of insert changes.

Contact Metav Werkzeuge for availability, tailored cutting data and fast supply of the Tungaloy AH6225 inserts at info@metav-werkzeuge.com or by phone on +49 2822 7131930.

Technical Data

• Article number: 6947282
• SKU: 6947282-Tungaloy
• Manufacturer SKU: TUN6947282
• Model series: ISO-Drehwendeschneidplatten
• Product designation: SNMG120408 AH6225 Tungaloy insert
• Material: Hartmetall

Facts

• Size (edge length): 12 mm
• Corner radius: 0.8 mm
• Thickness: 4.76 mm
• Relief angle: 0°
• Insert angle: 90°
• ISO code: 120408

Special features

• PVD-coated carbide grade AH6225
• Double-sided chipbreaker
• Cylindrical hole for secure clamping
• Square plate form
• Suitable for Drehen (turning)
• Designed for rostfreie Stähle
• Compatibility by form, relief angle, tolerance class, attachment, size and thickness

FAQ

What materials is this insert suitable for?
The SNMG120408 AH6225 indexable insert is optimised for rostfreie Stähle; the AH6225 PVD-coated hardmetal offers a balance of edge sharpness and wear resistance for medium turning tasks.

How is the insert fixed in the holder?
This SNMG120408 version has a cylindrical hole enabling positive fastening; correct clamping depends on matching the holder geometry to the insert form, relief angle, tolerance class, size and thickness.

Can both cutting edges be used?
Yes, the insert is double-sided and indexable so both edges can be rotated into service, extending usable life and reducing changeover frequency.

What is the corner radius and typical application?
The corner radius is 0.8 mm, suitable for general external and internal turning where a compromise between edge strength and finish is required; the square 90° form supports radial loads well.

Which chipbreaker is supplied and why does it matter?
A double-sided chipbreaker is specified for the SNMG120408 to assist chip control across varying feeds and depths; choosing the right breaker supports secure evacuation and consistent surface quality.

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.