BCMT120408R-G55 WSM45X WSM45X Wendeplatten - Walter Tools

Taking advantage of the WSM45X coated-carbide grade together with the G55 chipbreaker and a 0.8 mm corner radius delivers reliable chip control and consistent surface quality in rostfreier Stahl and heat-resistant alloys; order the BCMT120408R-G55-WSM45X-WALTER via Metav Werkzeuge or request cutting-data guidance from the sales team.

BCMT120408R-G55 WSM45X – Milling insert (Parallelogram 75°, 7° relief) by Walter Tools

The BCMT120408R-G55 WSM45X is a coated carbide milling insert designed for productive machining of rostfreier Stahl and heat-resistant superalloys in demanding production environments.

• WSM45X coated carbide for rostfreier Stahl and superalloys
• Parallelogram 75° form for stable radial engagement
• 0.8 mm corner radius for consistent surface finish
• G55 chipbreaker optimised for secure chip control

High-performance grade for demanding alloys and rostfreier Stahl

The WSM45X grade is a coated carbide developed to cope with the thermally demanding behaviour of rostfreier Stahl and Ni-based superalloys. Its coating technology stabilises the cutting edge under elevated temperatures, which supports consistent chip formation and reduces the risk of built-up edge. For production shops that prioritise process reliability, this material combination enables longer tool life and predictable tool-change intervals, translating into measurable productivity gains on components with difficult-to-cut alloys.

Geometry and chip control that improve cycle times

A Parallelogram 75° insert geometry combined with the G55 chipbreaker provides controlled chip flow and secure engagement in interrupted and continuous cuts. The 7° relief angle reduces rubbing on the flank while preserving edge strength, which helps maintain cutting forces within expected ranges and reduces power spikes at higher feed rates. This geometry is conducive to stable milling strategies, allowing higher metal removal rates without sacrificing dimensional repeatability.

Precision edge preparation for consistent surface quality

The insert’s 0.8 mm corner radius and defined plate dimensions (size 12, thickness code 04) deliver a balance between edge strength and achievable surface finish. The modest corner radius smooths load peaks at the cutting edge, which reduces microchipping and supports repeatable part tolerances. In finishing passes, this geometry helps achieve better surface integrity with fewer rework cycles, particularly important in components where form and finish are critical.

Integration into production for economical machining

Specifying the BCMT120408R-G55-WSM45X-WALTER in machining layouts supports higher process security and fewer unexpected stoppages. The coated-carbide grade and chip control features are engineered to match the cutting demands of rostfreier Stahl and heat-resistant alloys, which can reduce total cost per component through longer indexable-insert life and improved first-pass yield. Planning cutting data around the insert’s strengths allows shops to increase throughput while maintaining quality standards.

For availability and tailored cutting recommendations for Walter Tools inserts, contact Metav Werkzeuge to discuss suitable grades and machining parameters for rostfreier Stahl applications.

Technical Data

• Article number: BCMT120408R-G55-WSM45X-WALTER
• Item designation: BCMT120408R-G55 WSM45X
• Manufacturer: Walter Tools
• Series: Walter Schneidstoffsorte - Serie offen
• Grade: WSM45X

Facts

• Relief angle: 7°
• Corner radius: 0.8 mm
• Insert size: 12
• Thickness code: 04

Special features

• Chipbreaker: G55
• Shape: Parallelogram 75°
• Coated carbide grade suitable for rostfreier Stahl and superalloys
• Tolerance class: M

FAQ

What materials is this insert suitable for?
The BCMT120408R-G55 WSM45X by Walter Tools is intended for rostfreier Stahl and heat-resistant superalloys (ISO group M and S), offering thermal stability and secure chip formation.

How does the G55 chipbreaker influence machining?
The G55 chipbreaker on this milling insert promotes controlled chip formation and evacuation, which supports stable cutting in interrupted and continuous milling operations with demanding alloys.

What edge radius and form are supplied with the insert?
This parallelogram insert is supplied with a 0.8 mm corner radius and a Parallelogram 75° geometry, combining edge strength with consistent surface finish.

Is the WSM45X grade coated and what is its benefit?
WSM45X is a coated carbide grade; the coating enhances heat resistance and maintains edge integrity under elevated temperatures typical of rostfreier Stahl machining.

Can this insert be used for finishing passes?
With its 0.8 mm corner radius and stable geometry, the insert is suitable for finishing where a balance of surface quality and edge robustness is required.

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

The Walter AG (market appearance: Walter Tools) with headquarters in Tübingen is among the world’s leading manufacturers of precision tools for metalworking and forms part of the Sandvik group. Protected trademarks and trade names remain the property of their respective owners. Mention of brand names serves explanatory purposes only and does not imply any affiliation with our company.