BCMT120430R-G55 WSM45X WSM45X Wendeplatten - Walter Tools

Robust, coated carbide performance meets controlled chip formation: the WSM45X grade combined with the G55 chipbreaker delivers stable cutting edges and consistent results when machining stainless steel and heat‑resistant superalloys; order directly via Metav Werkzeuge or consult our specialists for tailored cutting data.

BCMT120430R-G55 WSM45X — Milling indexable insert, WSM45X grade, G55 chipbreaker — Walter Tools

The BCMT120430R-G55 WSM45X is a milling indexable insert engineered for demanding machining of stainless steel and heat‑resistant superalloys, offering a positive geometry and optimised chip control for high process stability

• Coated carbide grade WSM45X for tough materials
• G55 chipbreaker for secure chip control
• 75° parallelogram form for axial milling stability
• 7° relief and 3 corner radius for edge performance

Stable cutting in high‑demand materials

The WSM45X formulation is a coated carbide grade developed for applications with elevated thermal and mechanical loads. Designed for the ISO groups S and M, it is particularly effective on stainless steel and heat‑resistant superalloys (S), where poor thermal conductivity and tough material behaviour demand a combination of edge stability and wear resistance. The coated substrate supports secure chip formation and reduces the risk of built‑up edge, which in turn helps to maintain a predictable surface finish and consistent tool life. For production environments that prioritise uptime, this insert provides a measurable improvement in process reliability through its tailored material properties and chip‑breaking geometry.

Geometry that improves productivity and tool life

The 75° parallelogram profile provides axial stability and is well suited to milling strategies that require a secure seat in the toolholder and repeatable engagement angles. The integrated G55 chipbreaker channels chips away from the cutting zone, reducing recutting and machine downtime. A 7° relief angle creates a positive cutting action that lowers cutting forces and heat generation, while the 3 corner radius balances edge strength with finishing capability. Together, these geometric attributes enable higher metal removal rates with fewer tool changes, translating into lower cost per component and greater throughput in mixed‑material production.

Practical process benefits and application guidance

This insert is available in the BCMT120430R‑G55 designation and matches common clamping systems for axial milling operations. The combination of the WSM45X coating and the G55 chip control is particularly advantageous when machining long, stringy or thermally sensitive chips typical of stainless steel and certain superalloys. Process engineers will find that the insert supports predictable flank wear progression and consistent surface integrity, which simplifies quality control and post‑process inspection. For parameter selection, start from conservative speeds for unfamiliar alloys and increase until the wear pattern stabilises; the geometry is forgiving and aids in quick optimisation of cutting data.

For machining stainless steel and high‑temperature alloys with confidence, select the Walter Tools BCMT120430R‑G55 WSM45X insert and contact Metav Werkzeuge for ordering and customised cutting recommendations via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• SKU: BCMT120430R-G55-WSM45X-WALTER
• Article designation: BCMT120430R-G55
• Full designation: BCMT120430R-G55 WSM45X
• Product type: Milling indexable insert
• Manufacturer: Walter Tools

Core specifications

• Grade: WSM45X
• Chipbreaker: G55
• Relief angle: 7°
• Corner radius: 3
• Insert size: 12
• Thickness: 04
• Tolerance class: M
• Material groups: S / M

Design & application

• Parallelogram 75° insert form
• Coated carbide (WSM45X)
• Series: Walter Schneidstoffsorte - Serie offen
• Suitable for stainless steel and heat‑resistant superalloys
• Axial milling applications and positive engagement strategies

FAQ

What materials is this insert suited for?
The BCMT120430R‑G55 WSM45X insert is designed for stainless steel and heat‑resistant superalloys (ISO groups M and S), where the WSM45X grade provides thermal and edge stability.

How does the G55 chipbreaker help in production?
The G55 chipbreaker on the BCMT120430R‑G55 promotes controlled chip fragmentation and evacuation, reducing recutting and improving process stability during continuous milling.

Which geometry advantages does the parallelogram form provide?
The 75° parallelogram form offers axial stability and secure seating in the toolholder, enabling repeatable engagement angles and improved surface finish in axial milling operations.

Is the insert suitable for finishing and roughing applications?
With its 3 corner radius and positive 7° relief, the insert balances edge strength and finishing capability, making it applicable to both finishing passes and moderate roughing when optimised cutting parameters are used.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany; info@walter-tools.com

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