DNMG110404-NMT WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Silver coating and the robust DNMG rhombic geometry to achieve stable chip formation and long tool life when turning stainless steels and heat‑resistant alloys; order directly via Metav Werkzeuge or consult Metav Werkzeuge's technical advisers for cutting data and process optimisation.

DNMG110404‑NMT WSM20S Drehwendeschneidplatte – Tiger·tec Silver, 0° negative relief, Walter Tools

The DNMG110404‑NMT WSM20S is a rhombic turning insert for heavy‑duty machining of stainless steels and superalloys, combining a Tiger·tec Silver coated carbide grade with a specialised NMT chipbreaker for secure chip control.

• DNMG geometry Rhombus 55° for versatile turning
• Tiger·tec Silver coated carbide for wear resistance
• Suitable for stainless steel and superalloys
• 0° negative relief, 0.4 mm corner radius

Predictable performance in difficult‑to‑cut materials

The combination of a Tiger·tec Silver coating and a coated‑carbide substrate delivers high wear resistance and thermal stability in operations with poor heat conduction. For stainless steel (ISO group M) and heat‑resistant alloys (ISO group S), the grade provides more consistent chip formation and reduced risk of built‑up edge. The specialised NMT chipbreaker supports reliable evacuation of chips at moderate to heavy depths of cut, which in turn reduces downtime and the need for frequent edge dressing. This results in a measurable improvement in process stability and component surface quality.

Geometry and edge design that support robust cutting

The DNMG rhombic 55° shape, together with a 0.4 mm corner radius and 0° negative relief, emphasises edge strength and resistance to mechanical shock. Negative relief increases the insert’s backing support in the toolholder, making the grade suitable for interrupted cuts and heavier feed conditions where edge security is paramount. The modest corner radius balances edge resilience with a controllable cutting width, helping to maintain dimensional accuracy while extending insert life.

Practical application and handling notes

This insert is primarily intended for turning operations on stainless steel and high‑temperature alloys; its specification is optimised for cases where heat‑resistant performance and stable cutting edges matter. As cutting parameters depend on machine power, toolholder rigidity and coolant strategy, Metav Werkzeuge’s technical advisers can recommend starting speeds and feeds tailored to the workpiece and setup. Correctly clamped in a compatible DNMG toolholder and used with recommended cutting data, the insert will deliver predictable tool life and consistent surface finish.

For application advice, grade matching or to procure the DNMG110404‑NMT WSM20S insert from Walter Tools, contact Metav Werkzeuge for expert recommendations and full order support.

Technical data

• Article number: DNMG110404-NMT-WSM20S-WALTER
• Product type: Drehwendeschneidplatte
• Manufacturer: Walter Tools
• Series/grade: Tiger-tec Silver

Core data

• Insert shape: Rhombus 55°
• Corner radius: 0.4 mm
• Relief angle: 0° (negative)
• Plate size: 11
• Plate thickness: 04

Special features

• Chipbreaker: NMT
• Grade: WSM20S (coated carbide)
• Material application: S / M (superalloys, stainless steel)
• Tolerance class: M
• Execution: G
• Base designation: DNMG110404-NMT

FAQ

What materials is this insert suitable for?
The DNMG110404‑NMT WSM20S insert is specified for stainless steel (ISO group M) and heat‑resistant superalloys (ISO group S), offering improved chip control and wear resistance for these demanding materials.

How does the Tiger·tec Silver coating benefit machining?
The Tiger·tec Silver coating on the WSM20S grade increases thermal resistance and wear protection, which helps maintain a stable cutting edge and extend tool life during continuous and semi‑continuous turning operations.

What does the NMT chipbreaker do?
The NMT chipbreaker is designed to support controlled chip formation and evacuation under moderate to heavy cutting conditions, reducing the likelihood of long, tangled chips and improving process reliability.

Is the 0° negative relief suitable for interrupted cuts?
Yes, the 0° negative relief enhances backing support for the insert, making it more robust in interrupted cuts and other operations where edge stability is critical.

Can this insert be used with standard DNMG toolholders?
The insert conforms to the DNMG110404‑NMT designation and is intended for use in compatible DNMG toolholders; ensure correct clamping and seating to achieve designed performance.

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

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