SCMT09T308-MM4 WSM30S MM4 Wendeplatten - Walter Tools

A reliable choice for heavy-duty turning tasks, combining the WSM30S Tiger·tec Silver grade with an MM4 chipbreaker and a robust 0.8 mm corner radius for secure edge life; ideal where stable chip formation and high process security are required. Order or request technical advice via Metav Werkzeuge for straightforward integration into production.

SCMT09T308-MM4 WSM30S turning and boring indexable insert — Tiger·tec Silver for rostfreier Stahl and superalloys | Walter Tools

A versatile turning and boring insert, the SCMT09T308-MM4 WSM30S is designed for demanding machining of rostfreier Stahl and heat‑resistant alloys, offering controlled chip formation and long tool life.

• Tiger·tec Silver coating, WSM30S grade
• Optimised MM4 chipbreaker for stable chips
• 0.8 mm corner radius, 7° relief angle
• Square 90° insert, T3 thickness

Consistent performance on rostfreier Stahl and high‑temperature alloys

The Tiger·tec Silver WSM30S grade is a coated carbide developed for materials that are difficult to machine. In applications involving rostfreier Stahl and superalloys, the combination of the coating technology and the substrate ensures secure chip formation and protects the cutting edge against thermal and mechanical stress. This results in fewer interruptions, more predictable tool life and improved process stability, particularly in serial production where repeatability matters.

Geometry and chip control that protect the edge and surface finish

The insert’s MM4 chipbreaker is engineered to produce short, controllable chips under typical turning and boring conditions, reducing the risk of entanglement and machine downtime. The 0.8 mm corner radius and 7° relief angle increase edge strength while supporting an acceptable surface finish on shoulders and external profiles. The square 90° form offers multiple effective cutting corners, making the component suitable for robust shoulder cuts and heavy interruptions with reliable support at the cutting zone.

Practical advantages for workshop productivity and process security

With tolerance class M and a compact T3 thickness, the insert balances rigidity and adaptability for a range of toolholders and setups. The grade’s emphasis on stable cutting edges minimises flank wear and contributes to longer intervals between indexings. In practice, the result is higher uptime and lower scrap rates when machining demanding alloys, which supports a measurable improvement in machining efficiency and cost control for production environments.

Ask Metav Werkzeuge about Walter Tools Tiger·tec Silver inserts for reliable machining of rostfreier Stahl and superalloys — contact info@metav-werkzeuge.com or call +49 2822 7131930 for expert guidance and order support

Technical Data

• Article number: SCMT09T308-MM4-WSM30S-WALTER
• Designation: SCMT09T308-MM4 WSM30S
• Manufacturer: Walter Tools

Facts

• Relief angle: 7°
• Corner radius: 0.8 mm
• Insert size: 09
• Thickness: T3
• Shape: Square 90°
• Tolerance class: M

Special features

• Grade: WSM30S (Tiger·tec Silver)
• Chipbreaker: MM4
• Substrate: coated carbide
• Material groups: ISO M (rostfreier Stahl), ISO S (superalloys/titanium)
• Application: turning and boring indexable insert

FAQ

Is this insert suitable for rostfreier Stahl?
Yes. The SCMT09T308-MM4 WSM30S by Walter Tools is specified for ISO group M, which includes rostfreier Stahl, and its Tiger·tec Silver grade supports secure chip formation when machining these alloys.

What advantages does the MM4 chipbreaker provide?
The MM4 chipbreaker on the SCMT09T308-MM4 WSM30S promotes short, controlled chips, reducing chip entanglement and improving process safety during turning and boring operations.

How does the 0.8 mm corner radius affect machining?
A 0.8 mm corner radius increases the edge strength of the insert, allowing more robust engagement and improved resistance to wear while maintaining acceptable surface quality on shoulder and profile cuts.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

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