SNMG120412-NRS WSM20S WSM20S Wendeplatten - Walter Tools

Benefit from a combination of durable cutting performance, reliable chip control and a robust negative geometry for stable production in difficult-to-machine alloys; order the insert directly via Metav Werkzeuge or ask our consultants for cutting data and optimisation.

SNMG120412-NRS WSM20S — Square indexable turning insert (Tiger·tec Silver) for rostfreier Stahl and superalloys (Walter Tools)

The SNMG120412-NRS WSM20S is a square 90° indexable turning insert intended for heavy-duty machining of rostfreier Stahl and heat-resistant superalloys, offering a coated carbide grade optimised for stable cutting under severe conditions

• Tiger·tec Silver coating for durable performance
• Optimised NRS chipbreaker for secure chips
• Negative 0° geometry for robust cutting
• 1.2 mm corner radius for versatile profiles

Consistent cutting performance for challenging materials

The WSM20S grade from the Tiger·tec Silver family is a coated carbide solution engineered for materials that cause tool edge stress and high temperatures. The insert’s NRS chipbreaker promotes controlled chip formation, reducing the risk of built-up edge and erratic chip behaviour. As a consequence, machining cycles become more predictable and downtimes are minimised. The negative cutting face and sturdy edge preparation provide a mechanical advantage in interrupted cuts and heavy cross-sections, so process stability is the primary operational benefit.

Robust edge stability that extends productive runtime

A negative 0° rake and reinforced edge geometry make the insert particularly resilient during aggressive cuts. This geometry supports secure engagement with workpieces prone to work-hardening, while the 1.2 mm corner radius balances edge strength with accessibility for profile work. In practice, this means fewer indexings and extended tool life when turning tough alloys or components with variable sections. The combination of the grade’s thermal-management coating and the insert’s mechanical stability results in improved component consistency and surface integrity.

Application guidance and practical advantages in the workshop

Designed for heavy-duty turning and application in demanding alloys, the insert is recommended where secure chip control and edge longevity are priorities. The square 90° form gives flexibility for multiple cutting edges per insert, enhancing economic efficiency in batch production. For operations requiring both roughing and semi-finish passes in difficult-to-machine materials, the geometry and the Tiger·tec Silver coating deliver reliable results. For specific machining parameters, tool holders and recommended feeds and speeds, Metav Werkzeuge can provide tailored guidance to match machine capability and workpiece metallurgy.

For machining advice, availability or to request cutting data for the Walter Tools Tiger·tec Silver WSM20S insert, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to arrange a consultation and supply.

Technical data

• SKU: SNMG120412-NRS-WSM20S-WALTER
• Designation: SNMG120412-NRS WSM20S
• Brand: Walter Tools
• Series: Tiger·tec Silver

Core dimensions

• Shape: Square 90°
• Size: 12
• Corner radius: 1.2 mm
• Thickness code: 04
• Free angle: 0° (negative)
• Tolerance class: M

Special features

• Coating: Tiger·tec Silver
• Grade: WSM20S (coated carbide)
• Chipbreaker: NRS
• Geometry: negative 0° cutting face
• Material suitability: S / M
• Application: heavy-duty machining of rostfreier Stahl and heat-resistant superalloys

FAQ

What materials is this insert suitable for?
The SNMG120412-NRS WSM20S insert is formulated for machining rostfreier Stahl and heat‑resistant superalloys (grade S/M), with particular strengths in operations that demand stable chip control and thermal resistance.

What is the purpose of the NRS chipbreaker?
The NRS chipbreaker on this turning insert controls chip formation for safer evacuation and reduced risk of built-up edge; the feature contributes directly to consistent surface finishes and longer edge life with the WSM20S grade.

How does the negative 0° geometry affect performance?
Negative 0° geometry increases mechanical edge strength and supports interrupted or heavy cuts; in practical terms it delivers robustness in demanding turning tasks and improves process reliability during roughing.

Can the insert be used for finishing as well as roughing?
Yes — the square 90° format and 1.2 mm corner radius allow the insert to be used in roughing and certain semi-finish applications, depending on the component geometry and cutting data.

Where can cutting data and holder recommendations be obtained?
Cutting data and holder recommendations for the SNMG120412-NRS WSM20S turning insert are available from Metav Werkzeuge; they can advise on feeds, speeds and suitable clamping systems for specific machine setups.

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

Protected trademarks and trade names are the property of their respective owners. Brand names are mentioned for explanation only; no affiliation between Metav Werkzeuge and the mentioned brands is implied. The offered item is an original, factory-new product of the stated manufacturer.