TCMT090204-MM4 WMP20G T Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Gold wear resistance, optimised MM4 chip control and precise geometry for consistent turning of rostfreier Stahl; request application advice or place an order via Metav Werkzeuge for seamless integration into production.

TCMT090204-MM4 WMP20G turning/boring insert – Walter Tools, Tiger·tec Gold, for rostfreier Stahl

The TCMT090204-MM4 WMP20G is a triangular indexable insert designed for robust turning and boring operations, optimised for processing rostfreier Stahl under medium to heavy cutting conditions.

• Tiger·tec Gold coating for extended tool life
• MM4 chipbreaker for stable chip formation
• 7° clearance angle reduces flank rubbing
• Triangle 60° form for multiple cutting edges

Durable coating that prolongs productive runtime

The Tiger·tec Gold coating combined with the WMP20G substrate provides a high level of wear resistance and thermal stability, which translates into longer tool life and fewer insert changes during serial production. This coating technology is particularly effective when machining rostfreier Stahl, where work-hardening and heat generation demand a robust surface treatment. The result is reduced downtime and improved process stability, supporting consistent component tolerances over extended runs.

Reliable chip control tailored to stainless applications

Thanks to the MM4 chipbreaker geometry, chip formation is guided reliably even in sticky or tough materials. For rostfreier Stahl, where chips can be long and stringy, this optimised chip control minimises the risk of entanglement and surface damage. Stable chips also help maintain cutting-edge integrity, which in turn sustains dimensional accuracy and reduces the need for rework—a direct contribution to production efficiency and cost control.

Geometry engineered for repeatable cutting performance

The insert’s triangle 60° form and corner radius 0.4 mm deliver a balance between strength and edge definition: the triangular shape offers three usable cutting corners per insert, while the measured corner radius supports moderate depth of cut with secure edge retention. The 7° clearance angle reduces rubbing on the flank face, lowering heat transfer to the insert body and promoting a predictable wear pattern. These geometric features together ensure reproducible results in routine turning operations.

Simple selection and integration into existing tooling systems

With a clear ISO-style designation and compact dimensions (insert size 09, thickness 02), this insert fits common clamping systems and toolholders used in day-to-day turning and boring. The product’s tolerance class M and execution T indicate manufacturing precision and suitability for medium-grade applications. For engineers seeking reliable replacement inserts with known fitment behaviour, the standardised designation simplifies inventory management and tool-change planning.

Contact Metav Werkzeuge for tailored application advice on Walter Tools Tiger·tec Gold inserts, request a cutting test recommendation or obtain a quotation by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: TCMT090204-MM4-WMP20G-WALTER
• Designation: TCMT090204-MM4
• ISO designation: TCMT090204-MM4 WMP20G
• Grade: WMP20G
• Series: Tiger·tec Gold
• Manufacturer: Walter Tools

Facts

• Clearance angle: 7°
• Corner radius: 0.4 mm
• Insert size: 09
• Thickness: 02
• Insert form: Triangle 60°
• Chipbreaker: MM4

Special features

• Coating: Tiger·tec Gold
• Suitable material group: rostfreier Stahl
• Tolerance class: M
• Execution: T
• Application: Turning / boring insert

FAQ

What materials is this insert recommended for?
The TCMT090204-MM4 WMP20G insert is specified for machining rostfreier Stahl and is formulated to manage the toughness and heat tendency of these alloys.

How does the MM4 chipbreaker benefit production?
The MM4 chipbreaker on this Walter Tools insert promotes predictable chip shapes and prevents long, uncontrollable chips when machining rostfreier Stahl, improving process reliability.

How many cutting edges are available per insert?
The triangular 60° form provides three usable cutting corners per insert before reindexing is required.

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

Trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned for explanation only. There is no connection between Metav Werkzeuge and the named brands. The offered item is an original, factory-new product of the manufacturer.