RCMT1204M0-FM4 WSM20S WSM20S Wendeplatten - Walter Tools

Take advantage of the combination of high process security, dependable edge life and excellent chip control to maintain steady production with minimal interruptions; order the insert directly via Metav Werkzeuge or consult our specialists for application support.

RCMT1204M0-FM4 WSM20S turning insert — Tiger‑tec Silver, for rostfreier Stahl and superalloys (Round, 7°) — Walter Tools

RCMT1204M0-FM4 WSM20S is a coated indexable insert designed for demanding turning tasks in heat-resistant alloys and rostfreier Stahl, offering reliable chip formation and long tool life

• Tiger‑tec Silver coated grade WSM20S
• Optimised chip former FM4
• Round insert, 12 mm diameter
• 7° clearance angle for secure cutting

Better throughput when machining tough alloys

The Tiger‑tec Silver grade WSM20S is engineered for demanding conditions and provides improved thermal stability when machining superalloys and rostfreier Stahl. The coating technology increases resistance to high temperatures and supports a stable cutting edge, which reduces the frequency of insert changes and protects cycle times. With the FM4 chipformer, chips break predictably even under high cutting pressures, so component quality remains consistent and post‑process rework is minimised. This combination translates into measurable gains in efficiency and fewer unplanned stops on the shop floor.

Predictable tool life and secure cutting behaviour

Built for repeatable performance, the insert’s geometry and tolerance class M ensure dimensional consistency and reliable clamping in the toolholder. The 7° clearance angle reduces the risk of build‑up and improves surface finish on the workpiece, while the robust coated carbide substrate of WSM20S extends wear resistance under thermal and mechanical loads. These characteristics deliver lowered variance between batches and support predictable maintenance intervals, helping production planners meet tight delivery windows.

Easy integration and clear machining benefits

The round, 12 mm format and 04 thickness make the insert compatible with a wide range of toolholders that accept round indexable geometries, simplifying inventory and reducing setup time. The FM4 chip control geometry was developed to manage chip flow in interrupted cuts and deep turning operations, enhancing operator safety and reducing clamp‑on time. Given its suitability for rostfreier Stahl and high‑temperature alloys, this insert is particularly well matched to aeronautical, medical and energy sector components where material demands are high and surface integrity is critical.

For tailored process recommendations for the Walter Tools RCMT1204M0-FM4 WSM20S insert, contact Metav Werkzeuge for expert application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: RCMT1204M0-FM4-WSM20S-WALTER
• Designation: RCMT1204M0-FM4 WSM20S
• Manufacturer: Walter Tools
• Series: Tiger‑tec Silver
• Shape: Round
• Chipformer: FM4
• Free angle: 7°
• Tolerance class: M
• Execution: T
• Grade: WSM20S
• Material groups: S / M

Core technical figures

• Insert diameter: 12
• Thickness: 04
• Free angle: 7°
• Tolerance class: M

Special features

• Coating technology: Tiger‑tec Silver
• Grade type: WSM20S (coated carbide)
• Suitable for: rostfreier Stahl; superalloys and titanium
• Chip control: FM4
• Format: round indexable insert

FAQ

What materials is this insert suitable for?
The RCMT1204M0-FM4 WSM20S insert from Walter Tools is suitable for rostfreier Stahl and heat‑resistant superalloys (material groups S and M), providing stable cutting under high thermal loads.

How does the FM4 chipformer improve machining?
FM4 promotes consistent chip breaking and controlled evacuation; in the RCMT1204M0-FM4 WSM20S it reduces the risk of long swarf in interrupted cuts and supports safer, cleaner operation.

Can this insert deliver a good surface finish on stainless components?
Yes. The WSM20S grade with the Tiger‑tec Silver coating and a 7° clearance angle helps prevent build‑up and delivers improved surface integrity on rostfreier Stahl.

Is the round 12 format compatible with standard toolholders?
The round 12 mm geometry of RCMT1204M0-FM4 WSM20S fits common holders designed for round indexable inserts, easing tool change‑over and inventory management.

What distinguishes the Tiger‑tec Silver series for long runs?
Tiger‑tec Silver offers enhanced thermal resistance and a balanced coating architecture that extends edge life and maintains cutting stability during extended production runs.

Manufacturer/Responsible: AB Sandvik Coromant, Mossvägen 10, 811 34 Sandviken, Sweden; support.coromant@sandvik.com

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned for explanatory purposes only. There is no connection between our company and the mentioned brands. The offered article is an original, factory‑new product of the manufacturer Walter Tools.