SCMT09T304-FM4 WSM30S WSM30S Wendeplatten - Walter Tools

Take advantage of the combination of high temperature resistance, proven chip control and robust edge stability for reliable turning in stainless steel and heat‑resistant alloys; order directly via Metav Werkzeuge or consult our specialists for application‑specific recommendations.

SCMT09T304-FM4 WSM30S turning insert — Square 90°, 0.4 mm radius — Walter Tools

The SCMT09T304-FM4 WSM30S is a square indexable turning insert developed for demanding applications in stainless steel and heat‑resistant superalloys, offering a balance of thermal endurance and cutting‑edge stability.

• Tiger·tec Silver coating for high temperature resistance
• FM4 chipbreaker for reliable chip control
• Square 90° geometry with 0.4 mm corner radius

Improved tool life and process stability for demanding alloys

The Tiger·tec Silver coating paired with the WSM30S grade provides enhanced heat resistance and wear protection, which directly supports longer tool life when machining stainless steel or nickel‑based materials. Coating technology reduces adhesion and crater wear at elevated cutting temperatures, so operators benefit from fewer tool changes and more consistent cycle times. The result is measurable improvement in component throughput and a reduction in unplanned downtime, making the insert a cost‑effective choice for batch production and serial turning tasks.

Controlled cutting and finer surface quality through optimised geometry

The insert’s FM4 chipbreaker and Square 90° geometry work together to produce short, controllable chips and a reliable cutting process. The 0.4 mm corner radius helps to distribute cutting forces and improves fatigue resistance at the cutting edge, which supports repeatable surface finishes and dimensional consistency. For machinists unfamiliar with chipbreaker nomenclature: FM4 denotes a geometry tailored for medium to heavy interrupted cuts and for applications where stable chip formation is critical. This combination enables predictable tool behaviour and simplified process setup.

Practical benefits for workshop efficiency and repeatability

With a tolerance class of M and the T3 thickness, the insert fits standard toolholders while maintaining the dimensional accuracy needed for serial production. The stable cutting edge and optimised chip control lower the risk of workpiece damage and rework, supporting higher first‑pass yields. As a Walter Tools product, the insert is manufactured to tight quality standards that ease integration into existing tooling systems and support consistent results across shifts. For operations facing mixed batches of stainless and heat‑resistant alloys, this insert offers a practical balance of productivity and reliability.

Contact Metav Werkzeuge for tailored application advice on Walter Tools SCMT09T304-FM4 WSM30S inserts and to identify the optimal grades and cutting data for stainless steel and superalloy machining — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: SCMT09T304-FM4-WSM30S-WALTER
• Designation: SCMT09T304-FM4 WSM30S
• Product type: Drehwendeschneidplatte (turning insert)
• Manufacturer: Walter Tools
• Series: Tiger-tec Silver

Facts

• Corner radius: 0.4 mm
• Relief angle: 7°
• Insert size: 09
• Thickness: T3
• Tolerance class: M

Special features

• Chipbreaker: FM4
• Grade: WSM30S
• Geometry: Square 90°
• Material suitability: S / M
• Intended application: machining stainless steel and heat‑resistant superalloys

FAQ

Which materials is this insert suitable for?
The SCMT09T304-FM4 WSM30S insert is designed for stainless steel and heat‑resistant superalloys; the WSM30S grade emphasises thermal endurance and edge stability.

What advantage does the FM4 chipbreaker offer?
FM4 provides reliable chip control under varying depths of cut, producing short, manageable chips and contributing to a consistent machining process with improved surface quality.

How does the 0.4 mm corner radius affect performance?
A 0.4 mm corner radius balances edge strength and finish: it reduces edge chipping at higher feeds while still allowing acceptable surface finishes for many turning operations.

Is this insert compatible with standard toolholders?
The insert follows common dimensional standards for its designation, so it is compatible with toolholders specified for SCMT‑style square inserts when the correct seat and clamping are used.

What does tolerance class M mean for production?
Tolerance class M indicates medium tolerance suitable for general turning tasks where consistent fit and repeatability are required across production lots.

Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only; there is no affiliation between our company and the mentioned brands. The offered article is an original, factory‑new product of Walter Tools. The Walter AG (market appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking and is part of the Sandvik Group.