TCMT16T308-MW4 WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the combination of durable coated carbide, precise geometry and stable chip control for efficient machining of stainless steels and high-temperature alloys; order directly via Metav Werkzeuge or request application advice from our consultants.

TCMT16T308-MW4 WSM20S — Turning insert (Tiger·tec Silver), for stainless steels & superalloys — Walter Tools

The TCMT16T308-MW4 WSM20S is a triangular 60° indexable turning insert designed for heavy-duty finishing and semi-finishing of stainless steels and heat-resistant superalloys.

• Tiger·tec Silver coated grade WSM20S
• MW4 chipbreaker for stable chip control
• 7° clearance angle for secure cutting
• 0.8 mm corner radius, triangular 60°

High-performance grade for demanding materials

The insert combines the Tiger·tec Silver coating technology with the WSM20S coated carbide grade to deliver enhanced thermal resistance and edge stability when machining materials in ISO groups M and S. This makes it particularly suited to applications where workpiece toughness and heat generation challenge tool life. The coated substrate reduces wear and supports reproducible cutting results in continuous and interrupted cuts, providing a predictable production rhythm.

Geometry and chip control that stabilise machining

The triangular 60° shape with a 0.8 mm corner radius and a 7° clearance angle provides a robust cutting edge and predictable engagement. The MW4 chipbreaker is engineered to produce short, controllable chips under a range of feeds, reducing the risk of entanglement and promoting safe, continuous operation. Such geometry helps maintain surface finish quality while extending the number of usable edge insert indexes on the component.

Practical benefits on the shop floor

By specifying a coated carbide insert from the Tiger·tec Silver series, workshops achieve longer intervals between tool changes and fewer unplanned stops. The grade’s emphasis on edge strength and coating performance delivers consistent component quality and reduced rework. For production environments where repeatability and throughput matter, the insert’s balance of wear resistance and chip control supports both efficient cycle times and reduced tooling costs per part.

Compatibility and recommended applications

The insert is intended for turning operations in stainless steels and heat-resistant alloys including titanium-bearing materials; suitability for each specific alloy depends on cutting parameters and machine setup. The TCMT geometry offers flexibility across finishing and semi-finishing tasks where robust edge security and controlled chip formation are priorities. Selection of feeds, speeds and depth of cut should follow the machine capability and workpiece clamping to exploit the grade’s strengths fully.

Contact Metav Werkzeuge for tailored cutting data and arrangement of sample tests; Metav Werkzeuge’s technical consultants provide application support and selection guidance for Walter Tools inserts

Technical data

• SKU: TCMT16T308-MW4-WSM20S-WALTER
• Article designation: TCMT16T308-MW4 WSM20S
• Product type: Turning insert

Facts

• Insert shape: Triangular 60°
• Size: 16 mm
• Corner radius: 0.8 mm
• Clearance angle: 7°
• Thickness: T3

Special features

• Series: Tiger·tec Silver
• Grade: WSM20S (coated carbide)
• Chipbreaker: MW4
• Material suitability: ISO M (stainless steels), ISO S (superalloys / titanium)

FAQ

What materials is this insert best suited for?
The TCMT16T308-MW4 WSM20S insert from Walter Tools is designed primarily for stainless steels (ISO group M) and heat-resistant superalloys or titanium alloys (ISO group S), offering thermal stability and edge strength for demanding cuts.

How does the MW4 chipbreaker affect machining?
The MW4 chipbreaker on the TCMT16T308-MW4 WSM20S promotes short, manageable chips and consistent evacuation, which helps to protect the cutting edge and maintain surface finish during continuous and interrupted turning cycles.

Which cutting geometry benefits are provided by the insert?
The triangular 60° form combined with a 0.8 mm corner radius and 7° clearance angle gives a sturdy cutting edge, improved stability under load and flexibility for finishing to semi-finishing operations with predictable tool behaviour.

Is this insert suitable for interrupted cuts?
Yes; the Tiger·tec Silver coating and the WSM20S grade are formulated to retain edge integrity in applications that include intermittent engagement, making the insert appropriate for certain interrupted turning tasks.

How should tool life be optimised with this grade?
Optimise tool life by selecting conservative speeds for highly alloyed or work-hardened stainless steels, adjusting feed to match desired surface finish, and ensuring effective chip evacuation; TCMT16T308-MW4 WSM20S benefits from stable clamping and consistent coolant application where applicable.

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

Protected trademarks and trade names are the property of their respective owners. Mention of brand names such as Walter Tools is for identification and explanation only; there is no affiliation between Metav Werkzeuge and those trademark owners. The offered item is an original, factory-new product of the stated manufacturer.