DNMG110408-NMT WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the high wear resistance and edge stability of the Tiger·tec Silver grade combined with a robust rhombic 55° geometry for reliable machining of demanding materials; order via Metav Werkzeuge or request technical advice from our consultants.

DNMG110408-NMT WSM20S turning insert — Tiger·tec Silver, for rostfreier Stahl and superalloys, Walter Tools

The DNMG110408-NMT WSM20S is a coated carbide turning insert from the Tiger·tec Silver series, engineered for stable chip formation and secure cutting-edge performance when machining rostfreier Stahl and heat-resistant superalloys.

• Coated Tiger·tec Silver grade
• Rhombic 55° geometry
• 0° negative clearance for robust cuts
• Stable 0.8 mm corner radius

Consistent edge life for demanding materials

The combination of the WSM20S carbide grade and the Tiger·tec Silver technology delivers improved wear resistance under high thermal and mechanical loads. This coated carbide formulation is optimised to maintain cutting-edge stability when turning materials that tend to work-harden, such as the M and S ISO groups. The result is fewer edge failures, extended tool life and more predictable tool-change intervals — a direct efficiency gain in high-mix and long-run turning operations.

Reliable chip control and process security

With the chipbreaker NMT geometry and a rhombic 55° shape, the insert provides controlled chip formation across a broad range of feeds and depths of cut. The 0° negative clearance increases edge robustness for interrupted cuts and heavy-duty engagement, reducing the risk of chipping when machining short-chipping or adhesive materials. This focused geometry supports a stable machining process and contributes to consistent surface finish and dimensional repeatability.

Geometry designed for stability and versatility

The insert’s 0.8 mm corner radius balances strength and finishing capability: large enough to resist premature edge wear yet fine enough to produce acceptable surface integrity in semi-finishing passes. The rhombic 55° form factor enables favourable approach angles for turning profiles and shoulder work, improving access in confined setups while keeping cutting forces predictable. Such geometry choices translate into reliable performance across a variety of turning tasks.

Practical benefits for workshop integration

Presented as an indexable turning insert with a standard DNMG footprint, this grade fits many common toolholders and is straightforward to implement in existing tool systems. The Tiger·tec Silver series supports efficient chip evacuation and stable cutting on rostfreier Stahl and higher-alloy materials, reducing downtime for tool changes. For applications requiring higher process assurance or for parameter optimisation, supplementary technical data and cutting recommendations are available on request.

Request a technical consultation from Metav Werkzeuge to specify the optimal Tiger·tec Silver insert for rostfreier Stahl and superalloy applications — contact info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: DNMG110408-NMT-WSM20S-WALTER
• Label: Drehwendeschneidplatte DNMG110408-NMT WSM20S Walter Tools
• Manufacturer: Walter Tools
• Product type: turning insert
• Series: Tiger·tec Silver

Core technical data

• Shape: Rhombus 55°
• Clearance angle: 0° (negative)
• Corner radius: 0.8 mm
• Insert size: 11
• Thickness: 04
• Tolerance class: M
• Chipbreaker: NMT

Designs / Special features

• Grade: WSM20S (coated carbide)
• Suitable for: S / M (superalloys and rostfreier Stahl)
• Robust edge for interrupted cuts
• Coating technology: Tiger·tec Silver
• Indexable insert format DNMG110408

FAQ

What materials is this insert suitable for?
The DNMG110408-NMT WSM20S insert is designed for rostfreier Stahl (ISO group M) and heat-resistant superalloys (ISO group S), offering stable chip control and edge life in these demanding materials.

How does the 0° negative clearance affect performance?
A 0° negative clearance increases edge strength and resistance to chipping, making the insert particularly robust during interrupted cuts and heavy engagement when using the WSM20S grade.

What advantage does the Tiger·tec Silver series provide?
Tiger·tec Silver delivers enhanced wear resistance and thermal stability for coated carbide inserts; in the WSM20S grade this supports reliable cutting in high-temperature and adhesive machining conditions.

Is the chipbreaker suited for finishing passes?
The NMT chipbreaker is optimised for controlled chip formation across a range of feeds; combined with the 0.8 mm corner radius it enables semi-finishing and finishing with predictable surface quality.

Can this insert be used in existing DNMG toolholders?
Yes — the insert follows the common DNMG form factor and integrates into compatible indexable toolholders for efficient workshop adaptation.

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

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