SNMG190612-NRS WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, the NRS chipbreaker and the 1.2 mm corner radius for secure chip control and prolonged tool life; order genuine Walter Tools inserts directly via Metav Werkzeuge or consult our technical advisors for application-specific recommendations.

SNMG190612-NRS WSM20S indexable turning insert — Walter Tools, Tiger·tec Silver coating

SNMG190612-NRS WSM20S is an indexable turning insert designed for machining demanding materials such as stainless steels and heat-resistant superalloys with high process reliability

• Tiger·tec Silver coating for heat resistance
• Optimised NRS chipbreaker for reliable chips
• 0° negative rake and square 90° form
• 1.2 mm corner radius for robust cutting edge

High-temperature stability for challenging alloys

The combination of the Tiger·tec Silver coating and the WSM20S grade gives the insert enhanced thermal resistance and wear protection, which is particularly important when machining stainless steels and superalloys. This coated carbide grade promotes a stable cutting edge, reducing the risk of built-up edge and extending effective tool life. For production environments where consistent cycle times and predictable tool changes are critical, the coated grade reduces unplanned interruptions and supports repeatable surface quality. Technical shoppers and production planners will appreciate that this solution translates into fewer tool changes and more predictable throughput.

Geometry and chip control that support reliable machining

The insert’s NRS chipbreaker has been engineered to produce controlled chip segmentation across a range of cutting conditions, improving evacuation and minimising the chance of re-cutting. Combined with the 1.2 mm corner radius and the 0° negative rake, the square 90° form delivers a balance between strength at the cutting edge and the capability to achieve consistent surface finishes. These geometric choices are advantageous when turning tougher materials that tend to form long, stringy chips or put high thermal loads on the tool; the result is lower vibration, fewer workpiece defects and a more predictable machining process.

Application focus and productivity benefits

This indexable turning insert is aimed at workshops and subcontractors needing a dependable solution for parts produced from stainless steels (ISO group M) and heat-resistant alloys/titanium (ISO group S). The insert’s design supports both semi-finishing and heavier roughing operations depending on toolholder and machining strategy. By selecting the WSM20S grade within the Tiger·tec Silver series, process engineers gain improved resistance to thermal wear and a reliably strong cutting edge, which together reduce the total cost of tooling per part. When combined with correct toolholders and cutting parameters, the geometry helps reduce secondary operations and rework, contributing directly to higher productivity.

Practical notes for integration and selection

When integrating the insert into a machining process, choose a toolholder compatible with the SNMG geometry and verify clamping rigidity to exploit the insert’s stability. The NRS chipbreaker is optimised for secure chip formation under varied feeds; adjusting feed and cutting speed to the material and machine capability will unlock the best balance between tool life and component finish. For customers unsure about parameters, Metav Werkzeuge’s consultants can advise on suitable holders and feeds tailored to specific stainless or superalloy grades and part geometries.

For robust machining of stainless steels and superalloys, order genuine Walter Tools SNMG190612-NRS WSM20S inserts via Metav Werkzeuge or contact our technical advisors at info@metav-werkzeuge.com / +49 2822 7131930 for application support and availability

Technical data

• Article number: SNMG190612-NRS-WSM20S-WALTER
• Designation: SNMG190612-NRS
• Product type: Indexable turning insert

Facts

• Insert size: 19 mm
• Thickness code: 06
• Corner radius: 1.2 mm
• Rake: 0°
• Plate form: square 90°

Special features

• Coating / series: Tiger·tec Silver
• Grade: WSM20S (coated carbide)
• Chipbreaker: NRS
• Applicable ISO groups: M (stainless steels), S (superalloys / titanium)
• Tolerance class: M
• Manufacturer: Walter Tools

FAQ

Which materials are best machined with this insert?
The SNMG190612-NRS WSM20S insert from Walter Tools is optimised for stainless steels (ISO M) and heat-resistant superalloys/titanium (ISO S), offering good thermal resistance and stable edge life.

What does the NRS chipbreaker provide in practice?
The NRS chipbreaker promotes controlled chip segmentation and improved evacuation, which reduces the risk of entanglement and supports consistent surface quality when cutting tougher materials.

How does the 1.2 mm corner radius affect performance?
A 1.2 mm corner radius increases edge strength and resistance to chipping under heavy loads, making it suitable for operations where robustness and longer tool life are priorities.

Is this insert suitable for finishing passes?
Yes; depending on the machine rigidity and cutting parameters, the geometry and coated grade can be used for semi-finish and finishing, providing a good surface finish while maintaining edge stability.

What is the full designation for ordering and compatibility checks?
Order using the SKU SNMG190612-NRS-WSM20S-WALTER and specify the SNMG190612-NRS geometry to ensure toolholder compatibility and correct grade selection.

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned solely for explanation. There is no affiliation between our company and the mentioned brands. The offered item is an original, new product from the manufacturer.

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