CNMG120404-FW5 WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the WSM20S grade with Tiger‑tec Silver coating and the FW5 chipbreaker for stable chip control and extended cutting edge life; the insert is optimised for stainless steel and heat‑resistant alloys and ensures consistent surface quality and fewer tool changes. Order directly via Metav Werkzeuge or consult our technical advisors for cutting‑parameter setup.

CNMG120404-FW5 WSM20S Drehwendeschneidplatte by Walter Tools — Tiger‑tec Silver, FW5 chipbreaker for stainless and superalloys

A CNMG120404-FW5 WSM20S turning insert engineered for productive machining of stainless steels and heat‑resistant alloys, combining robust geometry with Tiger‑tec Silver coating for reliable tool life.

• Tiger‑tec Silver coating for excellent wear resistance
• FW5 chipbreaker for controlled chip formation
• Suited for stainless steel and heat‑resistant alloys
• Rhombic 80° CNMG insert with 0.4 mm corner radius

Consistent cutting performance on demanding materials

The combination of the WSM20S cutting grade and the Tiger‑tec Silver coating provides a resistant cutting edge that copes well with materials that generate heat and tend to build up on the tool. In practice, this means improved process security when turning stainless steel (ISO group M) and heat‑resistant superalloys (ISO group S). The coating increases thermal stability and reduces flank wear, which translates into fewer interruptions for tool changes and more consistent part quality across production runs. For shops moving between stainless and high‑temperature alloys, the reliable behaviour of this grade reduces setup time and eases machining parameter selection.

Geometry and chip control that reduce rework

The rhombic 80° CNMG form with a 0.4 mm corner radius and 0° (negative) clearance angle delivers a robust cutting edge that resists chipping during interrupted cuts. The FW5 chipbreaker is optimised to produce shorter, more manageable chips when machining sticky or gummy materials, lowering the risk of surface damage and eases chip evacuation in turning operations. By combining a compact corner radius with a stable insert body, the design improves surface finish and reduces the likelihood of rework caused by build‑up edge or heat‑induced surface distress. Shops benefit from reduced cycle variability and a more predictable tool life.

Productivity gains from coating and grade selection

The Tiger‑tec Silver technology offers a balance of wear resistance and toughness that supports productive machining at higher cutting speeds for many difficult‑to‑cut alloys. The coated WSM20S grade is designed to maintain a stable edge under thermal load while still delivering repeatable performance, which supports longer intervals between indexings and inserts changes. For production environments where uptime and consistent dimensional quality matter, this insert helps to lower tooling consumption and maintain steady throughput. The result is improved overall machining economy through fewer interventions and stable part output.

Contact Metav Werkzeuge for tailored machining advice on Walter Tools Tiger‑tec Silver inserts and to secure optimal cutting parameters for specific stainless steel and superalloy applications

Technical data

• SKU: CNMG120404-FW5-WSM20S-WALTER
• Designation: CNMG120404-FW5 WSM20S
• Manufacturer: Walter Tools

Facts

• Plate size: 12 mm
• Thickness: 4 mm
• Corner radius: 0.4 mm
• Clearance angle: 0° (negative)
• Shape: Rhombic 80°

Special features

• Chipbreaker: FW5
• Coating: Tiger‑tec Silver
• Grade: WSM20S
• Suitable for: stainless steel (M), heat‑resistant alloys / titanium (S)
• Execution: G
• Tolerance class: M
• Series: Tiger‑tec Silver
• Product type: Turning insert (drehwendeschneidplatte)

FAQ

What materials is this insert best suited for?
The CNMG120404-FW5 WSM20S insert and its WSM20S grade are optimised for stainless steel (ISO group M) and heat‑resistant superalloys/titanium (ISO group S), offering reliable chip control and thermal stability.

How does the FW5 chipbreaker influence machining?
The FW5 chipbreaker on this Walter Tools insert produces controlled, short chips that improve evacuation and reduce surface damage risk during turning of sticky or gummy materials.

Can the insert be used for interrupted cuts?
Yes; the rhombic 80° geometry with a 0.4 mm corner radius and negative clearance angle provides a robust edge that resists chipping in interrupted turning operations.

How does Tiger‑tec Silver coating benefit tool life?
The Tiger‑tec Silver coating enhances wear resistance and thermal stability, helping to maintain a sharp cutting edge under higher temperatures and prolonging effective tool life.

Is this insert compatible with standard CNMG toolholders?
The CNMG120404-FW5 form conforms to the CNMG geometry and is intended for use in toolholders designed for rhombic 80° CNMG inserts; confirmation of seat compatibility with the specific holder is recommended.

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

Protected trademarks and trade names are the property of their respective owners. Mention of brand names is for identification purposes only; the offered item is original, brand‑new merchandise from the manufacturer. The referenced brand is Walter Tools. Marked names and registered trademarks are used solely to describe product compatibility and origin.