CNMG120412-MM5 WMP20G WMP20G Wendeplatten - Walter Tools

Take advantage of the combination of a Tiger·tec Gold coating, a robust MM5 chipbreaker and a negative 0° relief for dependable performance when machining rostfreier Stahl; order the insert directly via Metav Werkzeuge or ask the consultants for tailored application advice.

CNMG120412-MM5 WMP20G indexable turning insert — Tiger·tec Gold, for rostfreier Stahl — Walter Tools

The CNMG120412-MM5 WMP20G is an indexable turning insert engineered for medium to robust machining of rostfreier Stahl, offering stable cutting edges and reliable chip control.

• Tiger·tec Gold coated grade WMP20G
• Optimised for rostfreier Stahl machining
• Rhombic 80° geometry for universal turning
• MM5 chipbreaker supports stable chips

Consistent edge stability for demanding rostfreier Stahl workpieces

The coated-carbide grade WMP20G, featuring Tiger·tec Gold technology, is formulated to address the typical challenges of machining rostfreier Stahl: high work-hardening tendency, tenacious chips and elevated cutting temperatures. The combination of a wear-resistant coating and a tuned substrate ensures a stable cutting edge and improved resistance to adhesive wear. The MM5 chipbreaker promotes defined chip formation under varying depth-of-cut conditions, which reduces the risk of built-up edge and supports predictable tool life. This results in fewer interruptions and a more repeatable cycle time in production environments that require robust turning performance.

Geometry that balances versatility and strength on the shop floor

The rhombic 80° seating and the corner radius 1.2 mm provide a sound compromise between edge strength and finishing capability, making the insert suitable for both light finishing passes and more substantial turning operations. The design of the seat angle improves access to internal and external contours, while the specified plate dimensions contribute to a secure clamp fit and repeatable positioning. The neutral-to-negative 0° relief increases edge robustness for heavier feeds and interrupted cuts, giving a clear advantage in mixed-production shops where process stability is a priority. Toolholders configured for this insert type will benefit from consistent engagement and reduced edge chipping.

Shop-floor benefits: productivity, predictability and integration

Selecting an insert from the Tiger·tec Gold family supports higher process security and longer intervals between tool changes, which in turn enhances throughput. The reliable chip control delivered by the MM5 geometry reduces secondary operations and cleaning needs, while the coated substrate contributes to consistent surface quality across batches. Integration into existing tool systems is straightforward due to the standard CNMG form factor, allowing rapid replacement and minimised setup time. For operations that prioritise uptime and reproducible results in rostfreie Anwendungen, this insert represents a pragmatic choice that combines robustness with a coating technology tuned to the demands of corrosion-resistant alloys.

For high-reliability rostfreier Stahl turning with Tiger·tec Gold performance, contact Metav Werkzeuge for application support and availability via info@metav-werkzeuge.com or telephone +49 2822 7131930

Technical data

• SKU: CNMG120412-MM5-WMP20G-WALTER
• Article designation: CNMG120412-MM5 WMP20G
• Brand: Walter Tools
• Series: Tiger·tec Gold

Facts

• Plate size: 12
• Thickness: 04
• Corner radius: 1.2
• Plate form: Rhombus 80°
• Relief angle: 0° (negative)

Special features

• Grade: WMP20G
• Coating technology: Tiger·tec Gold
• Substrate: coated carbide
• Chipbreaker: MM5
• Suitable for: rostfreier Stahl machining
• Geometry: rhombic 80° insert

FAQ

What materials is this insert designed to machine?
The CNMG120412-MM5 WMP20G insert is optimised for rostfreier Stahl (ISO group M) and performs well under medium to robust cutting conditions where defined chip control is required.

What advantages does the Tiger·tec Gold coating provide?
Tiger·tec Gold enhances wear resistance and thermal stability; the coating on the WMP20G grade helps maintain a stable cutting edge when machining tenacious alloys such as rostfreier Stahl.

How does the MM5 chipbreaker affect machining?
The MM5 chipbreaker creates controlled chip shapes that reduce the risk of entangling or forming long, stringy chips, improving process reliability and reducing manual intervention.

Which applications suit the rhombic 80° geometry best?
The rhombic 80° form is versatile for external and internal turning, offering good access to shoulders and profiles while maintaining a strong cutting edge for heavier feeds.

Is the insert compatible with standard CNMG toolholders?
Yes, the CNMG120412-MM5 WMP20G conforms to the CNMG indexable insert family and fits holders designed for this geometry and size.

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

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