CNMG120404-MM5 WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the combination of a Tiger·tec Silver coating and the WSM20S grade for stable cutting edges in the machining of stainless steel and heat‑resistant alloys, plus the MM5 chipbreaker for consistent chip control; order genuine inserts via Metav Werkzeuge or contact our consultants for application advice.

CNMG120404‑MM5 WSM20S indexable turning insert, Tiger·tec Silver coating — Walter Tools

The CNMG120404‑MM5 WSM20S is a rhombic 80° indexable turning insert designed for demanding turning operations on stainless steel and heat‑resistant superalloys and titanium, offering a balanced combination of thermal resistance and edge stability.

• Tiger·tec Silver coating for thermal stability
• MM5 chipbreaker for reliable chip control
• Rhombic 80° form with 0.4 mm corner radius
• Optimised for stainless steel and superalloys

Consistent edge life through advanced coating technology

The combination of the Tiger·tec Silver technology and the WSM20S grade provides enhanced thermal resistance and wear behaviour during the machining of stainless steel and heat‑resistant alloys. The specialised coating reduces adhesive wear and helps to prevent built‑up edge formation, which translates into longer tool life and fewer interruptions for index changes. For production environments where heat generation and material toughness challenge conventional grades, this insert offers a measurable improvement in process stability and repeatable part quality.

Geometry and chip control for predictable surface finish

The rhombic 80° outline and MM5 chipbreaker are engineered to deliver controlled chip formation and consistent cutting forces. The negative 0° clearance angle and 0.4 mm corner radius support robust edge strength and help to absorb intermittent loads typical of groove entries or interrupted cuts. As a result, surface integrity and dimensional stability improve while tool change frequency is reduced. These geometric choices make the insert particularly suited to applications that prioritise repeatability and low scrap rates.

Integration into high‑performance turning processes

With tolerance class M and a standardised format (CNMG120404‑MM5), the insert fits established clamping systems and offers predictable performance when paired with appropriate tool holders. The S / M material designation confirms suitability for both superalloys/titanium and stainless steel, enabling consolidation of tooling in mixed‑material production. Using this insert supports process optimisation through fewer tool variants, improved machine uptime and stable cycle times, which together contribute to lower unit costs and higher throughput.

For reliable supply and application support for Walter Tools Tiger·tec Silver inserts, contact Metav Werkzeuge — info@metav-werkzeuge.com or +49 2822 7131930 — for availability and tailored recommendations.

Technical data

• Article number: CNMG120404-MM5-WSM20S-WALTER
• Label: Drehwendeschneidplatte CNMG120404-MM5 WSM20S Walter Tools
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver

Facts

• Size (inscribed circle): 12 mm
• Corner radius: 0.4 mm
• Thickness: 04
• Clearance angle: 0° (negative)
• Tolerance class: M

Special features

• Grade: WSM20S
• Chipbreaker: MM5
• Form: Rhombic 80°
• Material suitability: S / M
• Applicable material: stainless steel (M)
• Execution: G

FAQ

What materials can this insert machine effectively?
The CNMG120404‑MM5 WSM20S is formulated for machining stainless steel (M) and heat‑resistant superalloys/titanium (S), combining thermal resistance with edge stability.

How does the Tiger·tec Silver coating improve performance?
The Tiger·tec Silver coating on the WSM20S grade reduces adhesive wear and improves heat resistance, which enhances tool life when machining tough, heat‑generating materials.

What benefit does the MM5 chipbreaker provide?
The MM5 chipbreaker promotes controlled chip formation and evacuation, resulting in more consistent surface finishes and reduced risk of chip entanglement.

Is the negative 0° clearance angle suitable for roughing operations?
Yes — the negative 0° clearance increases edge robustness and is suitable for heavy or interrupted cuts where edge strength is critical.

Which tolerance class applies and why is it relevant?
Tolerance class M indicates manufacturing consistency; it supports predictable fitment in tool holders and reliable repeatability in production.

Manufacturer: Walter Tools; Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany

Trademarks and product names are the property of their respective owners. Brand names are mentioned for explanation only and do not imply any affiliation. The described article is an original, brand‑new product from the manufacturer Walter Tools.