WNMG080404-NMS WSM20S WSM20S Wendeplatten - Walter Tools

Benefit from a combination of high process security and durable edge life thanks to the Tiger·tec Silver technology and the WSM20S grade; the robust Trigon geometry and 0.4 mm corner radius ensure stable chip formation for demanding materials. Order the insert directly via Metav Werkzeuge or ask the consultants for application advice.

WNMG080404-NMS WSM20S — Trigon 80° indexable turning insert, Tiger·tec Silver coating (Walter Tools)

The WNMG080404-NMS WSM20S is an 80° trigon indexable turning insert engineered for heavy-duty and difficult-to-machine materials, offering a negative-geometry design for stable cutting under tough conditions.

• Tiger·tec Silver coating for wear resistance
• Suited for rostfreier Stahl and superalloys
• Negative 0° geometry for stable cutting
• 0.4 mm corner radius for edge strength

Consistent cutting performance for demanding materials

The coated WSM20S carbide grade combines a wear-resistant Tiger·tec Silver surface with a geometry optimised for challenging tasks, delivering stable cutting edge life when machining rostfreier Stahl and heat-resistant alloys. The negative relief angle improves resistance against mechanical and thermal shock during interrupted cuts and heavy depths of cut, reducing the likelihood of edge breakdown. For operations where consistent cycle times and predictable tool change intervals are essential, this turning insert contributes to improved machine uptime and process reliability.

Robust geometry that improves productivity and part quality

The Trigon 80° form and a 0.4 mm corner radius create a strong cutting zone that supports higher feed rates while maintaining surface integrity. The chosen chipbreaker (NMS) assists controlled chip formation in sticky and work-hardening materials, helping to avoid built-up edge and to produce a consistent surface finish. By combining mechanical edge strength and a tailored chip control, the insert enables more productive cuts with fewer interruptions, which translates into lower cycle times and greater throughput on serial production runs.

Application guidance and process advantages

Designed for the ISO groups S and M, the insert is particularly effective in machining superalloys, titanium, and rostfreier Stahl, where heat resistance and edge stability are crucial. The negative 0° geometry supports rigid setups and heavy cuts, while the chipbreaker geometry helps to guide swarf away from the cutting zone. In practice, this means fewer burrs, fewer tool changes and improved reproducibility in batch manufacturing. For shops moving from conventional grades to modern coated carbide, this insert offers a balance of wear resistance and edge stability that favours consistent, economical production.

Contact Metav Werkzeuge for a tailored tooling recommendation and availability of Walter Tools inserts; our consultants provide practical application support and delivery information

Technical Data

• SKU: WNMG080404-NMS-WSM20S-WALTER
• ISO designation: WNMG080404-NMS WSM20S
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver
• Grade: WSM20S

Facts

• Corner radius: 0.4 mm
• Relief angle: 0° (negative)
• Plate size: 08
• Plate thickness: 04

Special features

• Trigon 80° insert shape
• Chipbreaker: NMS
• Material suitability: S / M (superalloys, titanium; rostfreier Stahl)
• Tolerance class: M
• Execution: G
• Basic designation without grade: WNMG080404-NMS

FAQ

What materials is this insert suitable for?
The WNMG080404-NMS WSM20S insert from Walter Tools is suitable for ISO groups S and M, addressing superalloys, titanium and rostfreier Stahl with a focus on stable chip formation and edge life.

How does the negative 0° geometry affect cutting?
A negative 0° relief provides a stronger cutting edge and higher resistance to mechanical shock, making the insert appropriate for heavy cuts and interrupted machining when using the WSM20S grade.

What advantage does the Tiger·tec Silver series offer?
Tiger·tec Silver coating enhances wear resistance and heat management, resulting in improved tool life and process security for demanding turning applications with this Walter Tools insert.

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

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