VCMT160408-RM4 WMP20S WMP20S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating and the RM4 chipbreaker for stable chip control and consistent performance when machining rostfreien Stahl; the compact rhombic shape and 0.8 mm corner radius support precision turning in medium to robust conditions. Order the VCMT160408-RM4 WMP20S inserts directly via Metav Werkzeuge or consult the technical team for application-specific advice.

VCMT160408-RM4 VCMT160408-RM4 WMP20S — indexable turning insert, Tiger·tec Silver, for rostfreien Stahl (Walter Tools)

A VCMT160408-RM4 WMP20S indexable insert engineered for reliable finishing and semi‑roughing of rostfreien Stahl, combining a wear‑resistant coating with a chipformer optimised for secure chip breaking under demanding thermal conditions.

• Tiger·tec Silver coating for rostfreien Stahl
• RM4 chipbreaker for stable chip control
• Rhombic 35° form, 0.8 mm corner radius
• 7° clearance angle for reliable tool life

High‑performance cutting for rostfreien Stahl

The coated grade delivers controlled cutting performance on rostfreien Stahl, a material group prone to built‑up edge and thermal sensitivity. The Tiger·tec Silver technology provides a hard, wear‑resistant surface that reduces flank wear and supports consistent cutting forces; combined with the WMP20S composition, the result is improved process reliability. For shops aiming to reduce scrap rates and minimise rework, the insert’s design contributes to a more predictable machining window and consistent component quality.

Reliable chip control and surface consistency

Chip formation is a central factor when machining tough alloys; the RM4 chipbreaker is shaped to promote short, controllable chips in a variety of cutting depths and feeds. The rhombic 35° geometry and 0.8 mm corner radius aid entry and exit behaviour, reducing vibration and producing a steady surface finish. In practice, the insert enables stable cuts during interrupted machining and supports repeatable tolerances, which benefits batch production and mixed‑series manufacturing alike.

Longer tool life and economical machining

A combination of coating and substrate ensures the cutting edge retains its shape under moderate thermal load. The 7° clearance reduces rubbing at the flank, lowering heat build‑up and preserving edge integrity. This leads to fewer indexings and lower tooling costs per part over time. From a cost‑efficiency perspective, the grade’s balanced wear resistance and toughness provide a favourable life‑cycle compared with uncoated or less optimised grades when applied to rostfreien Stahl.

Integration into the machining process and handling

The insert’s standard VCMT160408‑RM4 form facilitates straightforward toolholder compatibility for many common turning systems, allowing rapid replacement and alignment on the toolpost. The consistent geometry simplifies setting cutting parameters and supports standardised processes across machines. For production environments where reproducibility and quick changeovers matter, the insert helps maintain throughput without sacrificing surface quality.

Contact Metav Werkzeuge for tailored recommendations on employing Walter Tools Tiger·tec Silver inserts in specific rostfreien Stahl applications and for assistance with parameter selection and tooling packages

Technical data

• Article number: VCMT160408-RM4-WMP20S-WALTER
• SKU: VCMT160408-RM4-WMP20S-WALTER
• Manufacturer: Walter Tools
• Product type: indexable turning insert
• Grade: WMP20S
• Series: Tiger·tec Silver

Facts

• Corner radius: 0.8 mm
• Clearance angle: 7°
• Insert form: Rhombic 35°
• Plate size: 16
• Plate thickness: 04

Special features

• Coating: Tiger·tec Silver
• Chipbreaker: RM4
• Material application: rostfreien Stahl
• Tolerance class: M
• Execution: T

FAQ

What materials is this insert suitable for?
The VCMT160408‑RM4 WMP20S insert is designed primarily for machining rostfreien Stahl and performs well under medium to robust cutting conditions specified for that material group.

How does the RM4 chipbreaker affect machining?
The RM4 chipbreaker on the Walter Tools VCMT160408‑RM4 WMP20S promotes short, reliable chips and improves process stability, particularly useful during interrupted cuts and higher feed operations.

What benefits does Tiger·tec Silver provide?
The Tiger·tec Silver coating on this grade increases wear resistance and thermal stability, extending edge life and helping to maintain dimensional consistency when turning rostfreien Stahl.

Is the insert compatible with standard toolholders?
The VCMT160408‑RM4 geometry is a standard rhombic 35° form and is compatible with a wide range of common toolholders, simplifying integration into existing turning setups.

How should the insert be indexed and monitored?
Index the insert according to the holder manufacturer’s guidance and monitor flank wear and surface finish; the WMP20S grade typically allows extended index intervals due to its balanced toughness and coating.

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

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