CCMT09T308-RM4 WSM20S RM4 Wendeplatten - Walter Tools

Take advantage of the combination of the Tiger·tec Silver coating, RM4 chip control and a robust rhombic geometry for consistent performance on stainless steel and high-temperature alloys; order genuine Walter Tools inserts directly via Metav Werkzeuge or consult our technical team for application advice.

CCMT09T308-RM4 WSM20S indexable turning insert — Rhombic 80° geometry, Tiger·tec Silver grade (Walter Tools)

CCMT09T308-RM4 WSM20S is a coated carbide indexable insert designed for demanding turning applications on stainless steel and heat-resistant alloys, offering stable edge life and controlled chip formation

• Tiger·tec Silver for heat resistance and edge life
• RM4 chipbreaker for predictable chip control
• Rhombus 80° form for versatile turning applications
• Suitable for stainless steel and superalloys

Proven performance on difficult-to-machine alloys

The Tiger·tec Silver technology in this indexable insert is developed to withstand high thermal loads and to sustain a stable cutting edge when machining tough materials. As a result, machines experience fewer interruptions from built-up edge and premature wear, which supports higher process stability and longer tool life. The coated carbide grade WSM20S is optimised for turning applications where heat resistance and consistent wear behaviour are priorities, notably in stainless steel and nickel-based alloys.

Controlled chip formation and secure cutting edge

A decisive advantage is the RM4 chipbreaker combined with the rhombic 80° geometry. This pairing provides reliable chip control and predictable breakage, reducing the risk of entanglement and improving surface finish consistency. The moderate relief angle of 7° and a corner radius of 0.8 mm balance strength and cutting sharpness, permitting economical roughing and finishing passes while protecting the insert from thermal and mechanical shock.

Versatility, handling and economic machining

The insert’s compact CCMT09T308-RM4 format and T3 thickness support a wide range of turning operations, from interrupted cuts to continuous turning. Its tolerance class M ensures repeatable indexation and fit in standard toolholders. For production environments aiming to increase uptime and reduce tooling change frequency, this insert delivers a favourable cost-in-use through improved stand time and consistent part quality — a choice aligned with productivity-driven workshops.

For process-critical turning on stainless steel and superalloys, contact Metav Werkzeuge for application-specific advice or to source genuine Walter Tools inserts through Metav Werkzeuge, email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: CCMT09T308-RM4-WSM20S-WALTER
• Article designation: CCMT09T308-RM4 WSM20S
• Manufacturer: Walter Tools
• Series: Tiger-tec Silver
• Grade: WSM20S

Facts

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

Special features

• Coating technology: Tiger·tec Silver
• Chipbreaker: RM4
• Plate form: Rhombus 80°
• Material groups: S / M (superalloys/titanium and stainless steel)
• Suitable application: heavy-duty turning, turning of heat-resistant materials

FAQ

Which materials are best suited to this insert?
The CCMT09T308-RM4 WSM20S insert is specified for machining stainless steel and heat-resistant superalloys (S / M groups), where the coated carbide grade and Tiger·tec Silver coating support stable cutting and reduced edge wear.

What benefit does the RM4 chipbreaker provide?
The RM4 chipbreaker on the CCMT09T308-RM4 WSM20S produces short, controllable chips for a wide range of turning conditions, improving surface finish and reducing the risk of chip-related interruptions.

How does the rhombic 80° geometry affect machining?
The Rhombus 80° form offers versatility for both radial and axial cutting directions, enabling adaptable approach angles and stable engagement in turning operations with the CCMT09T308-RM4 WSM20S.

Is this insert compatible with standard toolholders?
Yes, the CCMT09T308-RM4 format and tolerance class M ensure compatibility with common indexable toolholder systems designed for CCMT-style inserts.

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

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