CNMG120412-NRS WSM01 WSM01 Wendeplatten - Walter Tools

Take advantage of the WSM01 grade and Tiger‑tec Silver series to achieve stable chip formation and consistent edge life when machining stainless steel and heat‑resistant alloys; order directly via Metav Werkzeuge or contact our consultants for application advice.

CNMG120412-NRS WSM01 turning insert — Rhombus 80°, 1.2 mm corner radius, Walter Tools

The CNMG120412-NRS WSM01 is a coated turning insert from the Tiger‑tec Silver range designed for reliable machining of stainless steel and heat‑resistant superalloys in demanding production environments

• Tiger‑tec Silver coating for improved chip control
• Optimised for stainless steel and superalloys
• Rhombus 80° geometry for versatile turning
• Corner radius 1.2 mm with negative rake 0°

Consistent cutting performance for difficult materials

This insert combines the WSM01 coated cemented carbide grade from the Tiger‑tec Silver series with a purpose‑built chipbreaker to deliver reliable results when machining challenging materials. The grade is formulated for applications in which heat generation and material ductility place heavy demands on the cutting edge; the result is stable chip formation and reduced risk of built‑up edge when processing stainless steel and similar alloys. The design supports reproducible cutting behaviour over consecutive tool changes, helping to keep cycle times predictable and downtime low. Explanations such as why a coated grade benefits thermal resistance and edge life are included to assist users unfamiliar with the metallurgy: the coating improves heat management and wear resistance, while the substrate supplies toughness at the cutting edge.

Geometry and edge form that improve process security

The Rhombus 80° insert shape and the NRS chipbreaker are selected for versatile turning operations where different approach angles and axial engagement depths are needed. The 80° geometry provides favourable clearance and allows secure clamping in standard holders, while the 1.2 mm corner radius supports a robust cutting edge that tolerates intermittent cuts and variable feed conditions. A 0° negative rake reduces the tendency to deflect in heavy cuts and promotes a stable chip flow on ductile workpieces. These design choices contribute to fewer regrinds and predictable part quality, so set‑up times can be reduced and process reliability increased.

Practical gains on the shop floor and through‑life value

Adopting this insert in production yields operational advantages beyond raw cutting data: the combination of WSM01 grade and the Tiger‑tec Silver coating tends to deliver longer service intervals and consistent surface finish on components made from stainless steel or heat‑resistant alloys. For procurement and planning this translates into fewer tool changes and smaller tool inventories for specific operations. The well‑defined geometry and tolerance class M ensure interchangeability in compatible toolholders, supporting quick replacement during shifts. Walter Tools’ development focus on cutting‑edge stability and wide material coverage underpins these benefits and helps maintain throughput without sacrificing component quality.

Speak to Metav Werkzeuge’s application specialists for tailored grade selection and fast delivery of Walter Tools turning solutions — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: CNMG120412-NRS-WSM01-WALTER
• Designation: CNMG120412-NRS
• Series: Tiger‑tec Silver
• Manufacturer: Walter Tools
• Product type: Drehwendeschneidplatte

Core data

• Insert size: 12
• Thickness code: 04
• Corner radius: 1.2 mm
• Relief angle: 0° (negative)
• Tolerance class: M

Features

• Grade: WSM01 (coated cemented carbide)
• Geometry: Rhombus 80°
• Chipbreaker: NRS
• Material suitability: S / M (stainless steel; heat‑resistant superalloys and titanium)
• Cutting edge form: G

FAQ

Which materials are best machined with this insert?
The CNMG120412-NRS WSM01 insert is optimised for stainless steel (ISO group M) and for heat‑resistant superalloys/titanium (ISO group S), providing controlled chip formation and edge stability on these groups.

What does the NRS chipbreaker do on tough, ductile materials?
The NRS chipbreaker on this insert promotes continuous, compact chips and supports secure evacuation during turning of ductile workpieces such as stainless steel, improving surface finish and reducing built‑up edge.

Is the negative 0° rake suitable for heavy cuts?
Yes; the 0° negative rake increases cutting edge strength and reduces deflection risk in interrupted or heavy cuts, making the insert appropriate for robust turning tasks within its specified material range.

How does the 1.2 mm corner radius affect machining results?
A 1.2 mm corner radius provides a durable cutting edge that tolerates variable feeds and intermittent cutting, improving tool life and delivering consistent dimensional accuracy in series production.

Can the CNMG120412-NRS WSM01 be used in standard CNMG toolholders?
The insert follows the CNMG ISO designation and tolerance class M, ensuring compatibility with standard CNMG toolholders and clamping systems designed for Rhombus 80° inserts.

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

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