CNMG120408-NMS WSM10 NMS Wendeplatten - Walter Tools

Take advantage of the combination of reliable edge stability, targeted material suitability, and a robust chipbreaker geometry for consistent turning results in demanding rostfreier Stahl and superalloy applications. Order genuine Walter Tools inserts directly via Metav Werkzeuge or consult our specialists for process-matched recommendations.

CNMG120408-NMS WSM10 indexable turning insert — negative 0° rake, 0.8 mm corner radius | Walter Tools

A CNMG120408-NMS WSM10 indexable turning insert engineered for heavy-duty turning of rostfreier Stahl and heat‑resistant superalloys, offering stable chip control and long tool life in demanding industrial machining

• Coated carbide WSM10 for tough materials
• Negative 0° rake for stable cutting
• 0.8 mm corner radius for robust edges
• Rhombic 80° insert for versatile turning

Consistent cutting performance where material resistance matters

The WSM10 grade is a coated carbide designed specifically for the challenges of machining rostfreier Stahl and superalloys. In these materials, heat generation and workpiece toughness increase the risk of built-up edge and premature wear; the combination of a negative 0° rake and the NMS chipbreaker promotes stable chip formation and reduces edge chipping. This results in fewer interruptions for insert changes and a more predictable manufacturing rhythm — a clear efficiency advantage for batch production or continuous turning operations.

Robust edge geometry for reliably repeatable results

With a 0.8 mm corner radius and a Rhombic 80° form, the insert supports heavier passes while preserving surface integrity. The geometry gives a balance between strength and versatility: the larger corner radius improves resistance to mechanical and thermal shock, while the 80° shape allows use in a wide range of toolholders. The design therefore contributes directly to reduced downtime and lower tooling costs per produced component, supporting leaner process chains and stable part quality.

Practical machining considerations and application range

The insert’s classification for material groups S / M signals suitability for both heat‑resistant superalloys and rostfreie Stähle; this makes it appropriate where mixed batches or component families are machined. The NMS chipbreaker is optimised for continuous chip control under varying cut depths, which simplifies process set‑up and helps maintain consistent surface finish. For demanding turning tasks where edge security and repeatability are priorities, this geometry and grade combination is a pragmatic choice.

Compatibility, handling and production benefits

Tolerance class M and the standard CNMG120408‑NMS form enable straightforward integration into conventional turning tool systems. The open series construction of the Walter Schneidstoffsorte line supports fast sorting and clear grade assignment on the shop floor. In practice, the insert reduces scrap risk through dependable edge life and offers straightforward reuse in established clamping systems, contributing to predictable cycle times and improved overall equipment effectiveness.

Contact Metav Werkzeuge today for tailored recommendations and to secure genuine Walter Tools CNMG120408-NMS WSM10 inserts optimised for rostfreier Stahl and superalloy turning.

Technical data

• Article number: CNMG120408-NMS-WSM10-WALTER
• SKU: CNMG120408-NMS-WSM10-WALTER
• Label: Drehwendeschneidplatte CNMG120408-NMS WSM10 Walter Tools
• Manufacturer: Walter Tools

Facts

• Insert size: 12
• Corner radius: 0.8 mm
• Rake angle: 0° (negative)
• Thickness code: 04
• Insert shape: Rhombus 80°
• Chipbreaker: NMS
• Tolerance class: M

Special features

• Coated carbide grade WSM10
• Series: Walter Schneidstoffsorte - Serie offen
• Material suitability: S / M (superalloys and rostfreie Stähle)
• Designed for heavy and difficult-to-machine materials
• Stable chip control and robust cutting edge

FAQ

What materials is this insert suitable for?
The CNMG120408‑NMS WSM10 insert is specified for S / M groups, meaning it is suitable for heat‑resistant superalloys and rostfreie Stähle; Walter Tools designed the WSM10 grade to handle the thermal and mechanical stresses of these materials.

How does the negative 0° rake affect machining?
A negative 0° rake increases cutting edge strength and resistance to chipping under heavy cuts; with the NMS chipbreaker it supports controlled chip flow and reliable performance in tough turning operations.

Which toolholders are compatible with this insert form?
The Rhombic 80° form is compatible with standard holders designed for CNMG profiles, allowing straightforward integration into common turning tool systems and helping to keep toolchange times short.

What is the primary benefit of the 0.8 mm corner radius?
The 0.8 mm radius enhances edge robustness and thermal endurance, reducing the likelihood of edge failure during interrupted cuts and providing a consistent surface finish for components.

Is this an original Walter Tools product?
Yes, the CNMG120408‑NMS WSM10 insert is an original, factory‑new item from Walter Tools and supplied as genuine Walter tooling.

Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany

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