CNMG120416-MM5 WSM20S WSM20S Wendeplatten - Walter Tools

Combine high wear resistance with controlled chip formation for consistent, productive turning of stainless steel and heat‑resistant alloys; the Tiger·tec Silver grade WSM20S and the robust CNMG geometry deliver stable cutting edges and longer tool life. Order directly via Metav Werkzeuge or contact our consultants for application support.

CNMG120416-MM5 WSM20S — indexable turning insert, Tiger·tec Silver coating, Walter Tools

The CNMG120416-MM5 WSM20S is an indexable turning insert engineered for heavy and finish turning of stainless steel and superalloys, offering a balance of edge stability and wear resistance in demanding industrial production.

• Tiger·tec Silver coating technology
• WSM20S grade for stainless steel and superalloys
• Negative 0° rake for heavy cutting
• 1.6 mm corner radius for robust edge

Maximise productivity with specialised grade and coating

The combination of the WSM20S carbide grade and the Tiger·tec Silver coating focuses on reliable performance when machining materials that generate heat and tend to work‑harden. Specifically developed for stainless steel (ISO group M) and the S group (heat‑resistant superalloys and titanium), this insert supports stable chip formation and reduces the risk of built‑up edge. The coated substrate improves thermal resistance and wear control, which translates into fewer insert changes and more uninterrupted production time — a clear efficiency advantage for batch and continuous turning operations.

Geometry that sustains cutting forces and surface quality

The CNMG rhombic form with an 80° included angle and a 0° (negative) rake angle provides rigidity under heavy radial loads, while the 1.6 mm corner radius offers a compromise between strength and achievable surface finish. The MM5 chipbreaker is tuned to support controlled chip evacuation in interrupted cuts and long, continuous cuts alike, reducing recutting and helping maintain consistent dimensional accuracy. These geometric choices enable secure metal removal rates without sacrificing component tolerances, making the insert suitable for both roughing passes and hard‑to‑machine finishing steps.

Process reliability, tool life and cost efficiency

By combining a wear‑resistant grade with a specialised coating and a robust edge design, this insert helps reduce tooling costs per component through extended life and predictable wear patterns. The stable cutting edge performance reduces scatter in tool life, simplifying process planning and inventory control. For manufacturers seeking repeatable results across shifts, the insert’s characteristics support higher process security and fewer unplanned stoppages. Walter Tools’ engineering and the Tiger·tec Silver technology provide the technical basis for improved throughput and consistent surface integrity in demanding machining tasks.

Discuss machining requirements with Metav Werkzeuge to select the ideal insert geometry and optimise cutting parameters for the Tiger·tec Silver WSM20S; contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 for specialist advice and supply.

Technical data

• SKU: CNMG120416-MM5-WSM20S-WALTER
• Designation: CNMG120416-MM5
• Full designation: CNMG120416-MM5 WSM20S
• Manufacturer: Walter Tools

Facts

• Corner radius: 1.6 mm
• Insert size: 12 mm
• Thickness code: 04
• Rake: 0° (negative)
• Insert shape: Rhombus 80°

Special features

• Grade: WSM20S
• Series: Tiger·tec Silver
• Chipbreaker: MM5
• Material compatibility: stainless steel (M), superalloys/titanium (S)
• Tolerance class: M
• Product type: indexable turning insert (Drehwendeschneidplatte)

FAQ

What materials is this insert suitable for?
The CNMG120416‑MM5 WSM20S insert is designed for stainless steel (ISO group M) and heat‑resistant superalloys/titanium (ISO group S), offering thermal stability and controlled chip formation.

How does the Tiger·tec Silver coating affect performance?
The Tiger·tec Silver coating on the WSM20S grade increases thermal and abrasive wear resistance, which extends tool life and supports reliable cutting in demanding applications.

Which cutting tasks benefit most from the CNMG geometry?
The rhombic 80° CNMG form with a 0° negative rake and 1.6 mm corner radius is suited to heavy roughing and robust finishing where edge strength and process security are priorities.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected product designations are mentioned for explanatory purposes only. There is no affiliation between our company and the named brands. The offered article is an original, factory‑new product of the manufacturer.