VCMT160402-FM4 WMP20S WMP20S Wendeplatten - Walter Tools

Take advantage of the combination of a Tiger·tec Silver coated grade and a proven FM4 chipbreaker for consistent performance when machining stainless steel; the compact VCMT160402-FM4 WMP20S insert offers a reliable cutting edge and predictable chip control — order via Metav Werkzeuge or consult our specialists for application advice.

VCMT160402-FM4 WMP20S indexable turning insert, Rhombic 35°, 7° relief — Walter Tools

The VCMT160402-FM20S is an indexable turning insert engineered for medium to robust stainless steel machining, combining a coated carbide grade with a dedicated chipbreaker and a compact rhombic geometry for stable cutting.

• Tiger·tec Silver coating for longer tool life
• Specifically for stainless steel machining
• Rhombic 35° form with 0.2 mm corner radius
• Stable chip control with FM4 breaker

High cutting reliability for stainless steel components

The combination of the Tiger·tec Silver coating and the WMP20S grade delivers improved edge security when machining stainless steel, a group of materials known for toughness and a tendency to form built-up edge. The coating enhances thermal and wear resistance, which supports stable chip formation and prolongs indexable insert life under demanding cycles. For production environments, this means fewer unexpected tool changes and more consistent part quality, directly improving process efficiency.

Geometry that improves finish and reduces rework

A rhombic 35° insert form with a 0.2 mm corner radius and a 7° relief angle is designed to balance strength and accessibility in finishing and light roughing operations. The small corner radius helps produce a finer surface finish and reduces the risk of chatter on interrupted cuts, while the relief angle lowers friction at the cutting edge. Together, these geometry choices make the insert suitable for achieving repeatable dimensional accuracy with minimal manual rework.

Predictable chip control and economical tool life

Equipped with the FM4 chipbreaker, the insert provides controlled chip evacuation across a range of feeds and depths typical for stainless steels. Predictable chip shape reduces the risk of workpiece damage and improves machine uptime. The grade's balanced performance—optimised for toughness and edge stability—supports a reliable cost-per-part outcome, making the insert a pragmatic choice for job shops and production lines aiming for consistent throughput.

Practical integration and production benefits

As an indexable turning insert in the VCMT family, this product fits standard VCMT-style toolholders and simplifies inventory by using a widely recognised ISO designation. The compact form factor and coated carbide construction deliver a combination of process security and productivity that aligns with workshop demands. For firms seeking repeatable results and easier tool management, the insert is a pragmatic addition to tooling assortments.

Contact Metav Werkzeuge for tailored application recommendations on Walter Tools turning inserts and to arrange delivery or technical consultation — eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930

Technical Data

• Article number: VCMT160402-FM4-WMP20S-WALTER
• Designation: VCMT160402-FM4 WMP20S
• Manufacturer: Walter Tools

Core specifications

• Inscribed circle: 16 mm
• Thickness: 04
• Relief angle: 7°
• Corner radius: 0.2 mm

Special features

• Series / technology: Tiger·tec Silver
• Grade: WMP20S
• Chipbreaker: FM4
• Plate form: Rhombus 35°
• Tolerance class: M
• Material application: stainless steel

FAQ

What materials is the VCMT160402-FM4 WMP20S suited for?
The VCMT160402-FM4 WMP20S indexable turning insert is optimised for stainless steel applications; the Walter Tools grade supports secure chip formation and edge stability under medium to robust cutting conditions.

Which chipbreaker does the insert use and what benefit does it provide?
This insert features the FM4 chipbreaker, which promotes stable chip control and reduces the likelihood of tangling or poor evacuation when machining tough materials like stainless steel.

How do the geometry parameters affect surface finish?
The rhombic 35° form combined with a 0.2 mm corner radius and 7° relief angle helps achieve a finer surface finish and better dimensional control, particularly during finishing passes and on interrupted cuts.

Will this insert fit standard VCMT toolholders?
Yes — the VCMT designation indicates compatibility with standard VCMT-style toolholders, enabling straightforward integration of the Walter Tools insert into established turning setups.

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

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