CNMG120412-MW5 WMP20G G Wendeplatten - Walter Tools

The combination of a Tiger·tec Gold coating and the WMP20G grade delivers reliable wear resistance and stable cutting edges for machining stainless steels, while the MW5 chipbreaker and 80° rhombic form support consistent chip control and surface quality; order directly via Metav Werkzeuge or consult our technical team for application-specific recommendations.

CNMG120412-MW5 WMP20G indexable turning insert – Tiger·tec Gold, for stainless steels, Walter Tools

The CNMG120412-MW5 WMP20G is an indexable turning insert engineered for turning operations in stainless steels under medium to robust conditions, offering stable chip formation and extended edge life.

• Tiger·tec Gold coating for enhanced wear resistance
• Optimised MW5 chipbreaker for stable chips
• Suitable for stainless steels (ISO M)
• CNMG 80° rhombic shape, 1.2 mm corner radius

Longer tool life and consistent cutting in stainless steels

The combination of the Tiger·tec Gold coating with the WMP20G grade provides a hard, wear-resistant surface that reduces flank wear and delays edge breakdown during serial turning operations in stainless steels (ISO M). Coated carbide in this class improves thermal resistance and friction characteristics, which leads to steadier cutting conditions and fewer unscheduled tool changes. For production environments, this translates into a measurable improvement in uptime and a lower cost per finished component while maintaining dimensional stability and surface integrity.

Geometry and chip control for safer machining

A rhombic 80° insert form (CNMG) with a 1.2 mm corner radius and a 0° (negative) relief angle gives robust edge support for interrupted cuts and heavier feeds. The MW5 chipbreaker is designed to produce manageable chips when machining tough, work-hardening materials, aiding reliable evacuation and reducing the risk of built-up edge. Together, these features support process security and predictable tool behaviour, which simplifies parameter selection and reduces scrap rates in batch production.

Practical productivity advantages on the shop floor

Using this insert reduces the frequency of tool interventions thanks to its stable cutting edge and controlled wear pattern. The combination of coating and substrate selection targets the common challenges of machining stainless steels—high ductility and heat generation—by promoting secure chip formation and consistent surface finish. This reliability supports smoother production planning, fewer stoppages for tool changes and ultimately a more economical machining cycle for components requiring tight tolerances or demanding surface quality.

Discuss specific material grades and cutting data with Metav Werkzeuge to select the optimal insert from Walter Tools for a given application; contact via info@metav-werkzeuge.com or call +49 2822 7131930 for tailored recommendations

Technical data

• SKU: CNMG120412-MW5-WMP20G-WALTER
• Label: Drehwendeschneidplatte CNMG120412-MW5 WMP20G Walter Tools
• Product type: Indexable turning insert
• Series: Tiger·tec Gold
• Grade: WMP20G
• Manufacturer: Walter Tools

Facts

• Insert form: Rhombus 80°
• Size: 12
• Thickness: 04
• Corner radius: 1,2
• Relief angle: 0° (negativ)
• Chipbreaker: MW5
• Tolerance class: M

Special features

• Coated carbide grade (Tiger·tec Gold)
• Optimised for stainless steels (ISO M)
• Robust edge for medium to heavy machining
• Stable chip control and surface quality
• Walter Tools original insert

FAQ

What materials is this insert designed for?
The CNMG120412-MW5 WMP20G insert is designed primarily for stainless steels (ISO M), offering secure chip formation and stable cutting behaviour when machining such materials.

How does the Tiger·tec Gold coating benefit production?
The Tiger·tec Gold coating on this Walter Tools grade increases wear resistance and thermal stability, which helps to extend tool life and maintain consistent surface finish during longer production runs.

What does the MW5 chipbreaker provide?
The MW5 chipbreaker is optimised to produce controlled chips when machining ductile, work-hardening stainless steels, improving chip evacuation and reducing the likelihood of built-up edge.

Can this insert handle interrupted cuts?
Yes. The CNMG 80° rhombic geometry combined with a 1.2 mm corner radius and a negative relief angle provides robust edge support suitable for interrupted cuts and tougher turning conditions.

Is this an original Walter Tools product?
This item is offered as an original Walter Tools indexable insert, manufactured to the brand’s specifications and quality standards.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned for descriptive purposes only and to explain product compatibility; there is no affiliation between our company and the named brands. The offered item is an original, factory-new product from the manufacturer.