WNMG080416-MM5 WMP20G WMP20G Wendeplatten - Walter Tools

Take advantage of a high-performance, coated carbide grade combined with a sturdy Trigon 80° geometry and a dedicated MM5 chipbreaker for reliable machining of stainless steel; order the inserts via Metav Werkzeuge or consult the Metav team for tailored cutting data and application support.

WNMG080416‑MM5 WMP20G — Trigon 80°, for stainless steel | Walter Tools

WNMG080416‑MM5 WMP20G is a trigon turning insert designed for medium to robust stainless steel applications, delivering stable chip formation and predictable tool life under challenging machining conditions.

• Tiger·tec Gold coated carbide for heat resistance
• Robust Trigon 80° form for secure edge support
• MM5 chipbreaker for controlled chip formation
• 1.6 mm corner radius for strength and surface integrity

High process stability for stainless steel turning

The Tiger·tec Gold grade WMP20G is a coated carbide solution optimised for stainless steel, where material toughness and a tendency to form built-up edge present particular challenges. The coating and substrate combination promotes heat resistance and a stable cutting edge, which reduces the risk of premature edge failure and improves flank wear behaviour. By supporting consistent chip formation, the grade helps maintain component surface quality and extends in‑service intervals, making it a reliable choice where reproducible results are required.

Geometry that increases productivity and part quality

The insert’s Trigon 80° outline and sizable corner radius 1.6 mm provide enhanced insert strength and improved contact area at the cutting edge. The 0° (negative) relief angle delivers robustness in interrupted cuts and heavy engagement, while the MM5 chipbreaker was developed to generate short, controllable chips across a range of feeds commonly used on stainless grades. This geometry combination reduces vibration and supports higher stable cutting parameters, which in turn helps shorten cycle times without compromising surface finish.

Versatile performance for workshop routines

This grade is intended for medium to robust cutting conditions, offering processors a pragmatic balance between wear resistance and edge toughness. The solution is suited to series production as well as demanding single‑part machining where stainless workpieces require dependable machining behaviour. The insert’s features promote process security and ease of tool‑choice documentation, simplifying inventory management and tool‑holder programming within mixed‑material production environments.

Practical recommendations to maximise tool life

To make the most of this insert, ensure secure clamping and favour steady, vibration‑free setup; coolant or controlled flood lubrication is recommended where compatible with the workpiece and process to assist chip evacuation and temperature control. The MM5 chipbreaker excels with stable feed rates and moderate depths of cut; if surface requirements are critical, monitor flank wear and replace inserts before wear affects finish. Regular inspection and adherence to recommended tool‑holder alignment will preserve the stable cutting edge characteristics and prolong productive service life.

Discuss application specifics with Metav Werkzeuge for optimised cutting data and prompt supply of Walter Tools Tiger·tec Gold inserts — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: WNMG080416-MM5-WMP20G-WALTER
• Designation: WNMG080416-MM5 WMP20G
• Product type: Drehwendeschneidplatte (turning insert)
• Manufacturer: Walter Tools

Facts

• Corner radius: 1.6 mm
• Relief angle: 0° (negative)
• Insert size: 08
• Thickness: 04

Special features

• Grade: WMP20G
• Series: Tiger·tec Gold
• Chipbreaker: MM5
• Coating / substrate: coated carbide
• Suitable for: stainless steel (M)
• Platen form: Trigon 80°

FAQ

What materials is this insert best suited for?
The WNMG080416‑MM5 WMP20G insert from Walter Tools is designed primarily for stainless steel, where its Tiger·tec Gold coating and chipbreaker support secure chip formation and reduced built‑up edge.

How does the MM5 chipbreaker affect machining?
The MM5 chipbreaker on this insert generates controlled, short chips under typical feeds for stainless steel, improving chip evacuation and enabling more stable cutting conditions with the Walter Tools Trigon insert.

What does the 0° (negative) relief angle mean for use?
A 0° (negative) relief provides a robust cutting geometry that resists edge chipping in interrupted cuts and heavy engagements; the WNMG080416‑MM5 WMP20G benefits from this for more demanding operations.

Is the corner radius of 1.6 mm suitable for finishing?
The 1.6 mm corner radius offers an excellent compromise between edge strength and surface quality; for very fine finishing passes a smaller radius may be preferred, but this radius supports durable, repeatable finishes in production.

Can this insert be used in automated production cycles?
Yes, the coated grade and the MM5 chip control characteristics make the insert appropriate for series production where consistent tool life and reliable chip behaviour are required.

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