WNMG080412-MW5 WMP20S Wendeplatten - Walter Tools

Benefit from Tiger‑tec Silver performance combined with the robust WMP20S grade and trigon 80° geometry to achieve secure chip control and consistent tool life in stainless steel turning. Order the WNMG080412-MW5 WMP20S insert directly via Metav Werkzeuge or ask our consultants if needed.

WNMG080412-MW5 WMP20S — Trigon 80° turning insert for stainless steel by Walter Tools

The WNMG080412-MW5 WMP20S is a trigon 80° indexable turning insert engineered for reliable machining of stainless steel under moderate to robust cutting conditions.

• Tiger‑tec Silver coated carbide grade WMP20S
• Trigon 80° insert with 1.2 mm corner radius
• Negative 0° rake for robust cutting stability
• Optimised MW5 chipbreaker for stainless steel

Consistent machining performance for stainless steel

The combination of Tiger‑tec Silver coating and the WMP20S grade delivers a balance between wear resistance and toughness that is particularly beneficial when machining stainless steel. The coating reduces built‑up edge and helps disperse heat, while the substrate composition supports a stable cutting edge under intermittent or elevated temperatures. This results in improved process security and reduced unscheduled downtime. For production environments where reproducible surface finish and repeatable tool life matter, the material and coating pairing supports a predictable and cost‑efficient turning process.

Geometry that stabilises cutting and improves surface quality

The trigon 80° format together with a 1.2 mm corner radius provides a versatile cutting geometry suitable for both roughing and finishing passes, offering a compromise between edge strength and surface finish. The negative 0° rake increases cutting stability and reduces the tendency for flexing under higher radial loads, which is advantageous when facing variable stainless steel batches. The MW5 chipbreaker is optimised for the material group M, promoting reliable chip formation and evacuation; this reduces the risk of entanglement and supports consistent part quality across shifts.

Practical integration and advantages for production use

Adopting this insert in a production toolholder yields straightforward benefits: stable chip control lowers rework rates and the robust grade extends in‑service intervals. The insert’s nominal geometry and standardised designation simplify tool management, replacement and inventory logistics. The specification supports operators and process engineers in selecting cutting parameters with an emphasis on process stability rather than aggressive cutting limits. For users with limited metallurgical expertise, the grade and chipbreaker combination means fewer trial adjustments while maintaining good surface integrity and predictable tool life.

For secure stainless steel turning using Walter Tools’ Tiger‑tec Silver grade, contact Metav Werkzeuge for availability and tailored cutting data at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss the WNMG080412-MW5 WMP20S insert and compatible toolholders

Technical data

• SKU: WNMG080412-MW5-WMP20S-WALTER
• Designation: WNMG080412-MW5 WMP20S
• Product type: turning insert

Facts

• Corner radius: 1.2 mm
• Insert size: 08
• Thickness: 04
• Relief angle: 0° (negative)

Special features

• Series: Tiger‑tec Silver
• Grade: WMP20S (coated carbide)
• Chipbreaker: MW5
• Geometry: Trigon 80°
• Material application: stainless steel

FAQ

What materials is this insert designed for?
The WNMG080412-MW5 WMP20S insert is designed for machining stainless steel, with the WMP20S grade and MW5 chipbreaker tuned for secure chip control and thermal stability.

How does the Tiger‑tec Silver coating affect tool life?
The Tiger‑tec Silver coating on the WMP20S grade reduces adhesion and helps manage cutting heat; this typically extends effective tool life during continuous stainless steel turning.

Is the negative 0° rake suitable for finishing passes?
Yes, the negative 0° rake increases cutting edge strength and, when combined with the 1.2 mm corner radius, provides a good compromise for light finishing and tougher semi‑finishing operations.

Can this insert be used in standard toolholders?
The WNMG designation follows common indexable insert standards, so the WNMG080412-MW5 WMP20S will fit compatible holders designed for trigon 80° WNMG inserts.

What is the benefit of the MW5 chipbreaker?
The MW5 chipbreaker promotes consistent chip formation when machining stainless steel, reducing the risk of problematic long chips and aiding reliable evacuation in production conditions.

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

The Walter AG (brand: Walter Tools) is part of the Sandvik Group and ranks among the world’s leading manufacturers of precision metal‑working tools. Walter Tools products are designed for high process reliability, precise machining and constant tool life performance. Trademarks and trade names are the property of their respective owners. The mentioned brand is referenced for explanation only; there is no affiliation implied. The offered item is original, brand‑new factory goods of the manufacturer.