SNMG 120408 AH120 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated carbide AH120 for durable cutting edges and a 0.8 mm corner radius for precise contouring to maintain stable machining processes; order the insert directly via Metav Werkzeuge or ask their consultants for application-specific advice.

SNMG 120408 AH120 Tungaloy indexable insert – ISO turning insert for external and internal turning

The SNMG120408 AH120 Tungaloy insert is an ISO-standard square indexable insert designed for external and internal turning, featuring a 0.8 mm corner radius and a neutral clearance geometry.

• PVD-coated carbide AH120 for wear resistance
• Double-sided chipbreaker for consistent chip control
• 0.8 mm corner radius for accurate contour machining
• ISO SNMG 120408 square insert, 4.76 mm thickness

Consistent, high-performance cutting with long tool life

The combination of a PVD-coated finish and a wear-resistant carbide substrate makes this insert especially suited to operations where a sharp cutting edge and process security are required. The AH120 grade has been developed for reduced flank wear and resistance to chipping, which in practice translates to longer tool life and fewer interruptions on the shop floor. For production environments this means less time spent on tool changes and more predictable cycle times.

Stable chip control and dimensional accuracy

Equipped with a double-sided chipbreaker, the geometry promotes controlled chip formation and evacuation during both external and internal turning. The 0.8 mm corner radius supports accurate contouring and improves edge strength at interrupted cuts, reducing vibration and contributing to improved surface finish. Where surface quality and repeatability matter, the insert’s geometry supports consistent component tolerances across batches.

System compatibility and practical setup guidance

The insert is supplied in the ISO SNMG 120408 form and must be matched to a compatible holder. Compatibility is determined by form, clearance angle, tolerance class, fastening method, size and thickness; using the correct holder and clamping set ensures secure seating and optimal cutting conditions. The SNMG format features a square plate with a cylindrical hole, a 4.76 mm thickness, and an effective inscribed size of 12 mm, designed for standard ISO turning toolholders. When the insert is integrated into a properly configured system, process reliability and repeatable results are achieved with minimal adjustment.

Contact Metav Werkzeuge today to discuss application-specific recommendations for Tungaloy AH120 inserts and ensure optimal tool selection for your turning processes.

Technical data

• Article number: 6811957
• Manufacturer SKU: TUN6811957
• Supplier SKU: 6811957-Tungaloy

Core data

• Grade: AH120
• Insert designation: SNMG 120408
• Corner radius: 0.8 mm
• Thickness: 4.76 mm
• Inscribed size: 12 mm
• Included angle: 90°

Materials & features

• Material: carbide
• Coating: PVD-coated
• Chipbreaker: double-sided
• Plate form: square
• Hole: with cylindrical hole
• Clearance: 0°
• Application: turning
• Series: ISO turning indexable inserts

FAQ

What materials is this insert suitable for?
The SNMG120408 AH120 Tungaloy insert is optimised for a broad range of materials where a wear-resistant PVD-coated carbide performs best; the AH120 grade excels when process security and a sharp cutting edge are required.

How does the chipbreaker affect machining?
The double-sided chipbreaker on this insert improves chip control and evacuation, helping to maintain stable cutting forces and consistent surface finish during turning operations with the SNMG 120408 geometry.

Which holders are compatible with this ISO insert?
Compatibility depends on holder form, tolerance class, fastening and dimensions; the SNMG 120408 format requires a matching ISO SNMG toolholder with corresponding clamping and clearance characteristics.

What are the key dimensions to check before installation?
Check the insert thickness (4.76 mm), inscribed size (12 mm), corner radius (0.8 mm), hole style (cylindrical) and the 90° included angle to ensure correct seating and clamping in the chosen holder.

Is this an original Tungaloy product and how is it identified?
Yes, this is an original Tungaloy indexable insert identified as SNMG120408 AH120 with article number 6811957 and supplier SKU 6811957-Tungaloy.

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.