SNMG 120408 AH6225 Wendeplatten - Tungaloy

Take advantage of a sharp, stable cutting edge and PVD coating for reliable stainless-steel turning; order directly via Metav Werkzeuge or consult the specialists for holder compatibility and optimal grade selection.

SNMG120408 AH6225 indexable turning insert for turning — Tungaloy

SNMG120408 AH6225 is a PVD-coated carbide indexable insert engineered for efficient external and internal turning, offering a sharp yet durable cutting edge for variable machining conditions.

• ISO-standard SNMG geometry, 90° shape
• PVD-coated carbide grade AH6225
• Optimised for stainless steels
• Double-sided chipbreaker, central cylindrical hole

Consistent, sharp cutting performance for stainless steels

The SNMG120408 AH6225 insert combines a PVD-coated carbide grade with a finely balanced edge geometry to deliver stable cutting in stainless-steel applications. The AH6225 grade is formulated to maintain a sharp cutting edge while resisting deformation under medium cutting conditions and changing parameters. PVD coating reduces adhesive wear and improves heat resistance, which results in more predictable tool life and more consistent surface finish compared with uncoated grades. This technical balance reduces downtime and supports productive turning processes.

Better chip control and productivity through optimised chipbreaker design

A double-sided chipbreaker with a central cylindrical hole supports secure clamping and repeatable chip formation. The integrated chip control reduces the risk of long, tangled chips and improves evacuation in both external and internal turning operations. As a consequence, cycle times can be shortened and machine uptime increases – an important economic advantage in batch production. The square insert form with a 90° shape ensures robust radial support and straightforward orientation in common ISO-compatible holders.

Easy integration into ISO tooling systems for inventory simplicity

As an ISO-series turning insert, compatibility with holders depends on form, clearance angle, tolerance class, fixation, size and thickness. The standardised SNMG geometry and the documented dimensions simplify holder selection and spare-part management. Specifying the corner radius 0.8 mm and thickness 4.76 mm in procurement makes it easier to match existing toolholders and reduces the need for ad hoc adaptations. This clarity supports streamlined logistics and repeatable mounting procedures on the shop floor.

Practical guidance for application and machining strategies

Designed for turning operations, this insert performs well in both external and internal cuts when the correct chipbreaker and cutting parameters are chosen. For rostfreie Stähle, moderate cutting speeds with stable feeds and adequate coolant can exploit the combination of AH6225 toughness and the PVD layer to avoid built-up edge. Selecting the appropriate chipbreaker variant for the workpiece material and rigidity of the setup will help achieve the desired surface quality with minimal rework. Where intermittent cuts or variable feed conditions occur, the insert’s stable edge geometry offers reliable performance.

Material and maintenance considerations that save production time

Made from high-quality carbide and supplied as a double-sided insert, this indexable tool reduces tooling costs per edge while maintaining repeatable geometry across re-grips. The cylindrical central hole supports secure seating and repeatable clamping torque, lowering the risk of orientation errors and runout. Regular inspection of the cutting edge and adherence to recommended cutting parameters will extend edge life and protect component tolerances, contributing to predictable production output.

Contact Metav Werkzeuge for tailored advice on SNMG120408 AH6225 inserts, holder compatibility and batch supply—email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss the right grade and chipbreaker for the application

Technical data

• Article number: 6826087
• Manufacturer SKU: TUN6826087
• SKU: 6826087-Tungaloy
• Designation: SNMG120408 AH6225

Facts

• Insert size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Clearance angle: 0°
• Shape angle: 90°
• Double-sided cutting edges

Special features

• Material: Carbide
• Coating / Grade: AH6225 (PVD)
• Hole style: Cylindrical hole
• Chipbreaker: Double-sided
• Application: External and internal turning
• Series: ISO turning indexable inserts
• Compatibility: Determined by form, clearance, tolerance class, fixation, size and thickness

FAQ

What materials is this insert suitable for? The SNMG120408 AH6225 insert is optimised for stainless steels; the AH6225 PVD-coated carbide grade offers improved heat resistance and edge stability for rostfreie Stähle in turning operations.

How does the double-sided chipbreaker help in production? The double-sided chipbreaker on this Tungaloy turning insert promotes consistent chip formation and evacuation, reducing interruptions and improving cycle times in both external and internal turning.

Which dimensions should be checked when selecting a holder? Check insert size (12 mm), thickness (4.76 mm), corner radius (0.8 mm), clearance angle (0°) and the SNMG geometry to ensure correct fit and clamp compatibility with the chosen holder.

Can the insert be used for finishing as well as roughing? With the appropriate cutting parameters and the right chipbreaker choice, the PVD-coated AH6225 grade can be used for medium finishing operations where edge stability and surface quality are required.

How many cutting edges are available per insert? This SNMG-format insert is double-sided, providing multiple usable edges per insert and an economical tooling solution for turning tasks.

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.