CNMG120402-FM5 WSM10S WSM10S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, robust FM5 chip control and a compact 80° rhombic form to secure reliable machining of stainless steel and heat‑resistant alloys; order the insert through Metav Werkzeuge or request application advice from our consultants.

CNMG120402-FM5 WSM10S turning insert by Walter Tools — Tiger·tec Silver, 0° negative rake

A compact CNMG120402-FM5 WSM10S turning insert engineered for stable cutting in stainless steel and superalloys, featuring an 80° rhombic form and FM5 chipbreaker for predictable chip control

• Tiger·tec Silver coating for heat resistance
• FM5 chipbreaker for stable chips
• Rhombic 80° form, 0.2 mm nose radius
• Suited for stainless steel and superalloys

Proven cutting performance in demanding materials

The WSM10S grade, based on the Tiger·tec Silver coating technology, is formulated for high thermal load resistance and abrasion control when machining challenging materials. This specification delivers stable chip formation and reduced risk of built‑up edge during interrupted or heavy cuts. For operations where heat dissipation and edge security are critical, the coated carbide substrate ensures consistent cutting behaviour, which in turn supports predictable tool life and process reliability.

Geometry and edge stability for reproducible results

The insert’s rhombic 80° geometry combined with a 0° negative rake and a 0.2 mm nose radius offers a robust seating for the cutting edge, improving load distribution and minimising chipping under heavy engagement. The FM5 chipbreaker is optimised to break and evacuate chips effectively in medium to heavy cutting conditions, helping to protect the cutting edge and enhance surface finish. These design choices translate into fewer tool changes and more stable cycle times on production machines.

Application benefits and economic impact

Designed for stainless steel (ISO group M) and materials in the S group (heat‑resistant superalloys and titanium), this insert supports machining strategies that demand repeatable performance under thermal stress. The combination of coating and geometry reduces the likelihood of unplanned downtime and contributes to an improved cost‑per‑part through extended edge life and consistent quality. Specifications such as the compact plate size and standard ISO designation simplify tooling selection and integration into existing toolholders and process setups.

Contact Metav Werkzeuge for tailored cutting data, toolholder options and application consulting for Walter Tools inserts and machining of stainless steel and superalloys

Technical data

• Article number: CNMG120402-FM5-WSM10S-WALTER
• Item: Drehwendeschneidplatte CNMG120402-FM5 WSM10S Walter Tools
• Type: Turning insert (indexable)

Facts

• Insert size: 12
• Thickness code: 04
• Nose radius: 0,2
• Free angle: 0° (negativ)
• Grade/Sort: WSM10S

Special features

• Series: Tiger-tec Silver
• Chipbreaker: FM5
• Shape: Rhombus 80°
• Applicable materials: stainless steel (M), superalloys/titan (S)
• Coating: coated carbide (WSM10S)

FAQ

What materials is this insert best suited for?
The CNMG120402-FM5 WSM10S insert is optimised for stainless steel (ISO group M) and also performs well on heat‑resistant superalloys and titanium (ISO group S) thanks to the Tiger·tec Silver coating and FM5 chipbreaker.

How does the FM5 chipbreaker benefit production?
The FM5 chipbreaker on this Walter Tools insert promotes controlled chip formation and evacuation, which reduces the risk of chip entanglement, protects the cutting edge and supports longer uninterrupted runs.

Is the geometry suitable for heavy interrupted cuts?
Yes; the 80° rhombic form, 0° negative rake and 0.2 mm nose radius provide enhanced edge support and load distribution, making the insert resilient in heavier or intermittent cutting conditions.

Can this insert be used in standard toolholders?
The CNMG ISO designation and compact form factor make it compatible with common toolholders designed for CNMG inserts; ensure correct clamping and seat condition for optimal performance.

What process improvements can be expected when switching to this grade?
Switching to the WSM10S grade can improve edge stability and thermal resistance, often resulting in more consistent surface finish and fewer tool interventions, thereby improving overall productivity.

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

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