TCMT090208-MM4 WSM20S T Wendeplatten - Walter Tools

Take advantage of a wear-resistant Tiger·tec Silver grade and a compact triangular geometry to secure stable cutting edges and consistent surface quality in machining rostfreier Stahl and heat-resistant alloys. Order the insert directly via Metav Werkzeuge or consult the team for cutting-data recommendations.

TCMT090208-MM4 WSM20S — Triangular indexable insert for turning and boring, Tiger·tec Silver, Walter Tools

A robust triangular 60° indexable insert, TCMT090208-MM4 WSM20S, engineered for demanding turning and boring applications in rostfreier Stahl and heat-resistant superalloys

• TCMT090208-MM4 WSM20S by Walter Tools
• Tiger·tec Silver coating for high heat resistance
• Triangle 60° form with 0.8 mm nose radius
• Optimised for rostfreier Stahl and superalloys

High-temperature performance for demanding alloys

The combination of the Tiger·tec Silver technology and the WSM20S grade delivers improved thermal resistance and reliable edge stability during heavy-duty machining. This coating system reduces flank wear and supports a consistent cutting edge, which directly translates into fewer disruptions on the shop floor and longer intervals between index changes. For applications where heat build-up and workpiece adhesion are critical, the insert’s material pairing is specifically tuned to maintain productivity during prolonged contact with hot chips.

Geometry that balances surface finish and edge strength

A triangle 60° geometry with a 0.8 mm corner radius provides a balance between cutting robustness and surface quality. The three-edged format increases usable edge count while the moderate nose radius enables predictable chip formation and improved dimensional control on turned surfaces. The indexable insert design helps maintain repeatable results across multiple setups, reducing rework and ensuring consistent part tolerances in serial production.

Better chip control and process security

Equipped with the MM4 chipbreaker, this insert supports controlled chip segmentation for both continuous and semi-continuous chips encountered in rostfreier Stahl and heat-resistant materials. Controlled chips lower the risk of built-up edge and improve evacuation from the cutting zone, which in turn enhances operator safety and machine uptime. The combination of chip control and a stable cutting edge increases process security and reduces the need for constant feed or speed adjustments.

Production benefits: predictable tool life and efficient handling

Users gain measurable production advantages from the insert’s design: extended tool life due to the coated carbide grade, fewer index changes because of the triangular format, and simplified tool management in the tool cabinet. These operational gains contribute to lower cycle-time variability and a clearer cost-per-part calculation, making the insert suitable for demanding manufacturing environments where consistency and throughput matter.

Practical notes for integration and performance tuning

The insert is designed for turning and boring operations where rostfreier Stahl and heat-resistant superalloys are predominant. When integrating into a machining process, start with conservative cutting data and adjust feeds to achieve the desired surface finish while monitoring edge wear. For tailored recommendations on speeds, feeds and coolant strategies, technical consultation is available to adapt parameters to the specific machining centre and holder geometry.

For machining demanding rostfreier Stahl and superalloys, contact Metav Werkzeuge for application-tailored cutting data and advice on Walter Tools inserts such as the TCMT090208-MM4 WSM20S

Technical Data

• Article number: TCMT090208-MM4-WSM20S-WALTER
• Designation: TCMT090208-MM4 WSM20S
• Series: Tiger·tec Silver
• Grade: WSM20S

Facts

• Clearance angle: 7°
• Corner radius: 0.8 mm
• Insert shape: Triangle 60°
• Insert size: 09
• Thickness: 02
• Chipbreaker: MM4
• Tolerance class: M
• Execution: T

Materials & Applications

• Coating: Tiger·tec Silver
• Substrate: Coated carbide
• Suitable for: rostfreier Stahl (ISO group M)
• Suitable for: heat-resistant superalloys and titanium (ISO group S)
• Product type: Turning and boring indexable insert

FAQ

What materials are best suited to this insert?
This Walter Tools insert is optimised for rostfreier Stahl and heat-resistant superalloys; the WSM20S grade supports secure chip formation and edge stability in these groups.

What does the MM4 chipbreaker deliver in practice?
The MM4 chipbreaker promotes controlled chip segmentation, improving evacuation and reducing built-up edge during operations in challenging alloys.

How does the 60° triangular form affect tool life?
The triangle shape provides three cutting edges per insert, which increases the number of usable edges and contributes to predictable tool-change intervals for the TCMT090208-MM4 WSM20S.

Are there special recommendations for finishing passes?
For improved surface quality, reduce feed and maintain a steady cutting speed; the 0.8 mm nose radius assists in achieving a fine finish while preserving edge strength.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen

Walter Tools (Walter AG) is a leading manufacturer of precision cutting tools and is part of the Sandvik group. Protected trademarks and trade names are the property of their respective owners. Brand names and trademarks are mentioned for explanatory purposes only. There is no connection between our company and the named brands. The offered article is an original, brand-new product of the manufacturer.