DCMT11T312-RM4 WSM20S RM4 Wendeplatten - Walter Tools

Take advantage of the combination of high process security, stable chip control and the Tiger·tec Silver coating for consistent productivity when machining stainless steels and heat‑resistant alloys; order the insert directly via Metav Werkzeuge or request application advice from our consultants.

DCMT11T312-RM4 WSM20S Drehwendeschneidplatte – Rhombus 55°, RM4 chipbreaker (Walter Tools)

DCMT11T312-RM4 WSM20S is a coated carbide turning insert for medium‑duty turning of stainless steels and heat‑resistant superalloys

• Tiger·tec Silver coated carbide grade WSM20S
• RM4 chipbreaker for reliable chip control
• Rhombus 55° insert with 1.2 mm corner radius
• Optimised for stainless steels and superalloys

Consistent cutting performance for demanding materials

The DCMT11T312-RM4 WSM20S insert combines the Tiger·tec Silver coating and a coated‑carbide substrate to deliver stable cutting in challenging conditions. The WSM20S grade is formulated to resist thermal and mechanical loading typical of stainless steels and heat‑resistant alloys, which often produce high temperatures and tend to form built‑up edge. By using a coated substrate, surface adhesion is reduced and wear is delayed, resulting in predictable tool life and fewer unplanned tool changes. This leads to improved uptime and a more reliable production flow.

Predictable chip control and extended edge stability

The RM4 chipbreaker is engineered for controllable chip formation under variable cutting conditions. Combined with a 1.2 mm corner radius, the geometry promotes a robust cutting edge that tolerates moderate depths of cut while maintaining surface integrity. Stable chip behaviour minimises interruptions and secondary operations caused by tangled chips. Explaining the term: a chipbreaker is a groove or form on the insert face that guides metal chips away from the cutting zone to improve safety and process continuity.

Geometry that supports secure tool engagement and surface quality

The Rhombus 55° form and 7° clearance angle create a versatile insert geometry for medium turning tasks, offering a good compromise between approach angle and cutting force distribution. The insert thickness T3 enhances clamping stability in the toolholder, reducing vibration and supporting consistent surface finish. These geometric choices mean fewer rejects and a steadier machining cycle when working with materials that demand thermal and mechanical resilience.

Practical fit in production and project planning

Chosen for its wide applicability (material group M for stainless steels and S for superalloys/titanium), this insert suits shops that require a single, robust grade capable of covering several workpiece families. The combination of coating technology and chipbreaker design reduces the need for frequent re‑tooling, supporting leaner tool inventories and predictable tooling costs. For customers seeking to optimise cycle times and maintain consistent component quality, this indexable insert provides a technically sound basis for process standardisation.

For tailored application advice or a quotation on the Walter Tools DCMT11T312-RM4 WSM20S insert, please contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss the best tool setup for the intended material and operation

Technical data

• SKU: DCMT11T312-RM4-WSM20S-WALTER
• Designation: DCMT11T312-RM4 WSM20S
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver
• Grade: WSM20S
• Chipbreaker: RM4

Numbers / Core technical data

• Corner radius: 1.2 mm
• Clearance angle: 7°
• Insert size: 11
• Thickness: T3

Special features / Versions

• Coated carbide (Tiger·tec Silver)
• Insert shape: Rhombus 55°
• Tolerance class: M
• Suitable for: stainless steels (M), heat‑resistant superalloys and titanium (S)
• Application: medium turning with secure chip control

FAQ

What materials is this insert designed to cut?
The DCMT11T312-RM4 WSM20S insert from Walter Tools is formulated for stainless steels (material group M) and for heat‑resistant superalloys and titanium (material group S), offering reliable performance under elevated temperatures and sticky machining conditions.

How does the RM4 chipbreaker affect machining?
The RM4 chipbreaker on this indexable insert guides chips into predictable forms, improving evacuation and reducing disturbances at the cutting edge; this leads to fewer interruptions and a more consistent surface finish when machining tough alloys.

What is the benefit of the 1.2 mm corner radius?
A 1.2 mm corner radius provides a robust cutting edge that balances strength and finishing capability, helping to withstand intermittent loads and improving edge life compared with very fine radii.

Can this insert be used for finishing passes?
While optimised for reliable medium turning operations, the coated grade and geometry can deliver good surface quality; selection of cutting parameters and holder rigidity will determine suitability for final finishing.

Which insert geometry should be selected for heavy interrupted cuts?
For interrupted or heavy cuts, the Rhombus 55° form with its positive engagement and the T3 thickness improves clamping stability and edge resistance, making this insert a reasonable choice for challenging interrupted operations.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned solely for explanation and comparison. There is no affiliation between Metav Werkzeuge and the mentioned manufacturers. The offered item is an original, brand‑new product from the manufacturer.