DCGT11T308-MM4 WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver thermal stability, precise MM4 chip control and a robust Rhombic 55° geometry for consistent, high-quality turning of stainless steels and heat‑resistant alloys; order directly via Metav Werkzeuge or request a technical consultation if required

DCGT11T308-MM4 WSM20S turning insert — Tiger·tec Silver, 0.8 mm corner radius — Walter Tools

DCGT11T308-MM4 WSM20S is a rhombic 55° indexable turning insert engineered for machining stainless steels and heat‑resistant superalloys (ISO groups M and S) in demanding industrial applications

• Tiger·tec Silver coating for thermal stability
• Optimised for stainless steels and superalloys
• Rhombic 55° form with 0.8 mm corner radius
• MM4 chipformer for reliable chip control

High thermal stability for demanding materials

The DCGT11T308-MM4 WSM20S indexable insert combines the Tiger·tec Silver coating with a coated carbide substrate to resist heat and preserve edge integrity under heavy cutting loads. This grade, WSM20S, is designed specifically for stainless steels and heat‑resistant superalloys and titanium, materials that typically cause high temperatures and work hardening. The result is stable cutting edges and longer tool life, which directly supports higher productivity and fewer tool changes during series production.

Geometry that delivers consistent surface quality

A Rhombic 55° profile together with a 0.8 mm corner radius and a small 7° relief enables a balanced combination of strength and finishing ability. The moderate corner radius reduces cutting forces while maintaining a dependable cutting edge for semi‑finishing and finishing passes. With a T3 thickness and tolerance class G, the insert offers consistent seating and repeatability in tool holders, contributing to predictable machining results and reduced scrap rates.

Chip control and process security

The MM4 chipformer is optimised to produce controllable chips when machining tough materials, minimising the risk of built‑up edge and workpiece surface damage. Effective chip control reduces interruptions, keeps the tool path clear and supports higher metal removal rates where appropriate. These features enhance process reliability on automated turning lines and help maintain cycle‑time targets on medium‑ to large‑batch production.

Compatibility and application scope

Available in an ISO designation that reflects industrial standards, this insert suits a wide range of turning operations where stainless steels and superalloys are encountered. The insert size (designation 11) allows straightforward integration into common turning tool families. Its combination of coating technology and chipformer makes it a suitable choice for job shops and production environments seeking consistent surface finish, edge stability and reduced tooling interventions.

Contact Metav Werkzeuge for a tailored process recommendation on the DCGT11T308-MM4 WSM20S — technical specialists at Metav Werkzeuge are available via info@metav-werkzeuge.com or +49 2822 7131930 to advise on grade selection and machining parameters

Technical data

• Article number: DCGT11T308-MM4-WSM20S-WALTER
• Name: DCGT11T308-MM4 WSM20S
• Type: Turning insert (indexable)
• Series: Tiger·tec Silver
• Grade: WSM20S
• Manufacturer: Walter Tools

Numbers / Core technical data

• Insert size: 11
• Corner radius: 0.8 mm
• Relief angle: 7°
• Thickness: T3
• Tolerance class: G

Designs / Special features

• Rhombic 55° insert form
• MM4 chipformer for controlled chips
• Coated carbide, Tiger·tec Silver technology
• Suited for stainless steels (M) and superalloys/titanium (S)
• Robust edge for reliable process security

FAQ

What materials is this insert best suited for?
The DCGT11T308-MM4 WSM20S insert is formulated for stainless steels (ISO group M) and heat‑resistant superalloys and titanium (ISO group S), offering thermal stability and stable edge life in these materials.

How does the MM4 chipformer affect production?
The MM4 chipformer on this turning insert improves chip control during machining, reducing interruptions and helping maintain consistent cycle times and surface integrity.

Which features improve repeatability in production?
Features such as the Rhombic 55° geometry, 0.8 mm corner radius, T3 thickness and tolerance class G ensure stable seating and repeatable cutting performance across tool changes.

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

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