DCMT070208-FW4 WSM20S FW4 Wendeplatten - Walter Tools

Combining the Tiger‑tec Silver series coating with the FW4 chipbreaker and a 0.8 mm corner radius delivers dependable edge stability and controlled chips for demanding materials; order the DCMT070208-FW4 WSM20S directly via Metav Werkzeuge or contact our consultants for tailored application support.

DCMT070208-FW4 WSM20S indexable turning insert – Tiger‑tec Silver coating, for stainless steels & superalloys (Walter Tools)

A DCMT070208-FW4 WSM20S indexable turning insert engineered for secure chip control and reliable cutting-edge performance when machining stainless steels and heat‑resistant superalloys.

• Tiger‑tec Silver coating for high wear resistance
• Optimised FW4 chipbreaker for controlled chips
• Suited for stainless steels and superalloys

High‑temperature performance for difficult materials

The WSM20S grade, part of the Tiger‑tec Silver range, is a coated carbide formulation optimised for materials that generate high heat and strain on the cutting edge. Designed specifically for ISO groups M (stainless steels) and S (heat‑resistant superalloys and titanium), this insert promotes stable chip formation and reduces the risk of built‑up edge. The result is fewer interruptions in serial production and a more predictable tool life when turning demanding workpieces.

Consistent edge life through coating and grade technology

A combination of the Tiger‑tec Silver coating and the WSM20S grade provides a balance between hardness and thermal resistance, which translates into consistent edge life under varying operational loads. The coated surface improves wear resistance while maintaining toughness at the cutting edge; this supports repeatable results across batches and reduces unscheduled tool changes, improving overall machining economy.

Precision geometry for predictable surface quality

The rhombic 55° form and 0.8 mm corner radius are tuned for general turning tasks that require a stable contact point and good surface finish. The 7° relief angle contributes to lower cutting forces in many turning setups, while the standard size and thickness codes ensure compatibility with common toolholders. Together these geometric choices help produce consistent component tolerances and reduce rework.

Controlled chips and process security with the FW4 chipbreaker

The FW4 chipbreaker is shaped to promote short, manageable chips when machining ductile and tough alloys. Improved chip control decreases the chance of entanglement and workpiece damage, simplifies coolant flow management and supports safer automated or semi‑automated machining cells. This contribution to process security is particularly valuable in series manufacturing where downtime is costly.

Typical applications and machine integration

This insert is suitable for a range of turning operations on lathes and CNC turning centres where stainless steels or superalloys are processed. The grade and geometry combination is especially relevant for semi‑finish to finish cuts where edge stability and surface integrity are priorities. The insert’s tolerance class and standard form factor allow easy integration into existing toolholder systems designed for rhombic 55° inserts.

Practical advantages for production environments

Using the DCMT070208-FW4 WSM20S insert supports higher uptime through predictable wear behaviour and consistent chip evacuation. Stocking this grade can reduce the number of specialised grades required for mixed stainless and superalloy production, simplifying logistics while maintaining machining performance. For process optimisation or grade selection, Metav Werkzeuge offers application advice and material‑specific recommendations.

For machining applications involving stainless steels or heat‑resistant alloys, consider Walter Tools’ DCMT070208-FW4 WSM20S from the Tiger‑tec Silver range — contact Metav Werkzeuge for application recommendations or to order this insert directly.

Technical data

• Article number: DCMT070208-FW4-WSM20S-WALTER
• Designation: DCMT070208-FW4
• ISO designation: DCMT070208-FW4 WSM20S
• Product type: indexable turning insert
• Manufacturer: Walter Tools
• Series: Tiger‑tec Silver
• Grade: WSM20S
• Tolerance class: M

Data

• Relief angle: 7°
• Corner radius: 0.8 mm
• Insert shape: Rhombic 55°
• Size code: 07
• Thickness code: 02
• Chipbreaker: FW4

Special features

• Coating technology: Tiger·tec Silver
• Material suitability: stainless steels; superalloys / titanium
• Cutting material: coated carbide
• Stable edge and chip control
• Rhombic geometry for versatile turning

FAQ

Which materials is this insert designed for?
The DCMT070208-FW4 WSM20S is designed for ISO groups M and S, meaning it is suitable for stainless steels and heat‑resistant superalloys/titanium as part of the Tiger‑tec Silver family.

How does the FW4 chipbreaker affect machining?
The FW4 chipbreaker on this turning insert improves chip control and promotes short chips, enhancing process security and reducing the risk of chip entanglement during turning.

What are the key geometry details to consider?
The insert features a rhombic 55° shape, 0.8 mm corner radius and 7° relief angle, which combine to deliver predictable contact geometry and good surface finish in many turning applications.

Is this grade appropriate for finishing or roughing?
WSM20S is best applied where edge stability and thermal resistance are required; it is well suited to semi‑finish and finish operations on tough materials rather than heavy roughing.

How does the Tiger‑tec Silver series benefit production?
Tiger‑tec Silver coatings enhance wear resistance and thermal performance, which supports longer tool life and more consistent results — factors that contribute to reduced downtime and lower tooling costs over time.

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

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