SNMG 120408 AH8005 Wendeplatten - Tungaloy

Benefit from a wear‑resistant PVD‑coated carbide grade and the ISO SNMG120408 geometry for consistent, stable turning of heat‑resistant alloys; the result is higher productivity and longer tool life. Order the SNMG120408 AH8005 Tungaloy turning insert via Metav Werkzeuge or consult the technical team for tailored recommendations.

SNMG120408 AH8005 SNMG – Indexable turning insert for turning applications by Tungaloy

The SNMG120408 AH8005 Tungaloy insert is an ISO‑standard square indexable insert designed for external and internal turning, suited to stable machining of heat‑resistant alloys and other hard materials.

• PVD‑coated carbide grade AH8005
• ISO SNMG120408 square insert
• 0° relief angle, 90° cutting geometry
• Double‑sided chipbreaker, 0.8 mm corner radius

Stable performance for demanding turning operations

The combination of a PVD‑coated surface and a wear‑resistant carbide substrate in grade AH8005 delivers consistent cutting performance in demanding conditions. This insert is engineered to maintain a reliable cutting edge when machining heat‑resistant alloys and hard materials, so operators benefit from longer cutting intervals and fewer indexings. The focus here is on achieving predictable productivity and reduced downtime through material and coating synergies.

Geometry and clamping for rigidity and repeatability

With the ISO SNMG120408 form and a square plate geometry, the insert provides stable contact with the holder and predictable chip flow. The 0° relief angle and 90° cutting geometry promote axial stability during external and internal turning, while the 0.8 mm corner radius supports edge strength for interrupted cuts. These geometric choices translate into improved surface finishes and repeatable part quality under stable machining conditions.

Optimised chip control and versatile application

The double‑sided chipbreaker is matched to the AH8005 grade to enable controlled chip formation across a range of cutting parameters. That combination reduces the risk of built‑up edge and makes the insert suitable for steady, productive machining of heat‑resistant alloys. For many workshop setups, this means fewer stall events and more parts produced per tool life interval, improving cost effectiveness in the production chain.

Compatibility guidance and system considerations

The insert is an ISO indexable plate and compatibility with a holder depends on form, relief angle, tolerance class, attachment method, size and thickness. The SNMG120408 is supplied with a cylindrical hole for secure fastening and has a plate thickness of 4.76 mm, which should be checked against the chosen external holder or boring bar. When selecting tooling, pair the insert with a matching holder and clamping set, and choose a chipbreaker and grade appropriate to material, machining type and process stability.

For enquiries about the Tungaloy SNMG120408 AH8005 insert, application recommendations or process optimisation, contact Metav Werkzeuge — info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6741675
• Manufacturer SKU: TUN6741675
• Stock SKU: 6741675-Tungaloy
• Model series: ISO turning indexable inserts

Dimensions & geometry

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Relief angle: 0°
• Cutting angle: 90°

Features & materials

• Material: carbide
• Coating / grade: AH8005 (PVD‑coated)
• Plate form: square
• Chipbreaker: double‑sided
• Hole: with cylindrical hole
• Typical application: turning

FAQ

What materials is this insert best suited for?
The SNMG120408 AH8005 insert is optimised for heat‑resistant alloys and other hard materials; the AH8005 grade offers enhanced wear resistance during stable turning.

How does the PVD coating improve performance?
A PVD‑coating on the carbide substrate increases surface hardness and reduces adhesive wear, which extends the cutting edge life of the SNMG120408 AH8005 Tungaloy insert under elevated temperatures.

Can the insert be used for both external and internal turning?
Yes. The SNMG120408 geometry and the double‑sided chipbreaker make this indexable insert suitable for both external and internal turning when paired with a compatible holder.

What should be checked for holder compatibility?
Confirm form, relief angle, tolerance class, attachment type, plate size and thickness (4.76 mm) against the chosen holder or boring bar to ensure a secure, repeatable fit.

Is the corner radius suitable for interrupted cuts?
The 0.8 mm corner radius provides a robust edge that helps withstand impacts in interrupted machining while still supporting good 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.