TNMG160404-NMS WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the Tiger‑tec Silver coating and the WSM20S grade for secure chip formation and long tool life when machining stainless steel and heat‑resistant alloys; order directly via Metav Werkzeuge or consult the team for grade selection and layout optimisation.

TNMG160404-NMS WSM20S – Triangle 60° indexable turning insert (Tiger‑tec Silver) – Walter Tools

A TNMG160404-NMS WSM20S indexable turning insert engineered for demanding turning of stainless steel and superalloys, offering a robust coated‑carbide grade and controlled chip formation.

• Tiger‑tec Silver coated carbide
• Optimised for stainless steel and superalloys
• Triangle 60° form with 0.4 mm corner radius
• NMS chipbreaker for secure chip control

High productivity on tough materials through material and coating design

The combination of a coated carbide substrate and the Tiger‑tec Silver technology provides a balance between wear resistance and thermal stability that directly benefits cycle times and tool life. For components in stainless steel and heat‑resistant superalloys, the WSM20S grade supports stable cutting edges and improved resistance to thermal softening; this reduces the frequency of index changes and contributes to more predictable production planning. The result is a measurable improvement in process reliability where tight tolerances and consistent surface quality are required.

Geometry and chip control explained for reliable machining

The triangle 60° shape with a 0.4 mm corner radius and a 0° (negative) rake creates a sturdy cutting edge suited to interrupted cuts and heavy engagement. The NMS chipbreaker is designed to generate short, controllable chips in materials that tend to form long, stringy swarf, enhancing safety at the machine and reducing manual rework. These geometric choices translate into fewer tool‑related stoppages and a steadier surface finish, especially when cutting demanding alloys.

Practical benefits for workshop implementation and tool management

Using an indexable insert such as the TNMG160404‑NMS with the WSM20S grade simplifies inventory through a versatile grade that covers both S and M material classes. Fewer grades on the shelf mean lower logistics effort and faster tooling changes at the turret. The robust design also supports predictable wear progression, enabling clearer tool change intervals and easier cost‑per‑part calculations in batch production.

Application guidance and fitment notes for process planners

The insert is intended for turning applications where stainless steel or heat‑resistant superalloys are present; selection of the appropriate clamping and insert seat is essential to exploit the insert's chip control and edge stability. When integrating this insert into a machining process, choose compatible holders and ensure correct seat support to maintain the 0.4 mm corner integrity during high radial loads. For setup optimisation, consult tooling charts that match the TNMG160404‑NMS WSM20S geometry to the selected holder to obtain consistent results.

For assistance selecting the correct Walter Tools grade or for order support of the TNMG160404‑NMS WSM20S insert, contact Metav Werkzeuge via info@metav-werkzeuge.com or call +49 2822 7131930 for tailored recommendations and fast delivery coordination

Technical data

• SKU: TNMG160404-NMS-WSM20S-WALTER
• Label: Drehwendeschneidplatte TNMG160404-NMS WSM20S Walter Tools
• Product type: Drehwendeschneidplatte
• Brand: Walter Tools
• Series: Tiger‑tec Silver
• Designation: TNMG160404-NMS WSM20S

Core data

• Plate size: 16
• Corner radius: 0.4 mm
• Geometry: Triangle 60°
• Rake angle: 0° (negative)
• Tolerance class: M
• Thickness code: 04

Special features

• Grade: WSM20S
• Coating: Tiger‑tec Silver
• Material suitability: S / M
• Chipbreaker: NMS
• Application: stainless steel and heat‑resistant superalloys
• Base designation: TNMG160404-NMS

FAQ

Is this insert suitable for stainless steel?
Yes. The TNMG160404‑NMS WSM20S insert is specified for stainless steel (material group M) and is designed to support secure chip formation and edge stability in these materials.

Which materials beyond stainless steel can this grade machine?
The WSM20S grade is also intended for heat‑resistant superalloys and titanium alloys (material group S), providing thermal stability and wear resistance under high cutting temperatures.

What does the NMS chipbreaker deliver in practice?
The NMS chipbreaker on the TNMG160404‑NMS WSM20S produces short, well controlled chips, which reduces swarf management issues and helps maintain a safer machining environment.

How does the 0.4 mm corner radius affect component finish?
A 0.4 mm corner radius offers a compromise between edge strength and achievable surface finish; it improves edge robustness for interrupted cuts while still enabling acceptable surface quality for most turning tasks.

Can the insert be used in heavy‑duty or interrupted turning?
Yes. The triangle 60° form and 0° (negative) rake make the insert robust for intermittent cuts and heavier engagement, provided the correct holder and seat support are used.

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

The Walter AG (brand presentation: Walter Tools) is one of the world’s leading manufacturers of precision metal‑cutting tools and is part of the Sandvik group. Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned for explanation only. There is no connection between our company and the mentioned brands beyond the sale of original, factory‑new products of the respective manufacturers.