SDMT09T308-F57 WSM45X WSM45X Wendeplatten - Walter Tools

Take advantage of the combination of a WSM45X coated carbide grade, an optimised F57 chipbreaker, and a robust square geometry for steady machining of stainless steel and heat‑resistant alloys; order the insert directly via Metav Werkzeuge or consult our specialists for process advice.

SDMT09T308‑F57 WSM45X milling insert — square 90°, 15° clearance — Walter Tools

SDMT09T308‑F57 WSM45X is a square 90° milling insert designed for secure machining of stainless steel and heat‑resistant superalloys in demanding milling operations

WSM45X coated carbide grade for toughness
Optimised F57 chipbreaker for stable chips
Square 90° insert with 0.8 mm corner radius
15° clearance angle for improved edge life

Predictable cutting performance on challenging materials

The WSM45X grade is a coated carbide developed for machining stainless steel and heat‑resistant superalloys (ISO material groups M and S). The grade emphasises stable chip formation and edge resistance, which reduces the tendency for built‑up edge under elevated temperatures and adhesive wear. For production environments this translates into more consistent component quality and fewer unscheduled tool changes. The insert’s chip control geometry supports repeatable results across variable feed rates, making it suitable for a wide range of milling strategies where material behaviour is tough and thermal loads are high.

Geometry that balances strength and surface finish

A square 90° shape combined with a 0.8 mm corner radius provides a robust cutting edge with good versatility between positional milling and light slotting. The 15° clearance angle lowers cutting forces at the approach while maintaining a secure cutting zone, and the F57 chipbreaker is optimised to form controllable chips in ductile, adhesive materials. Together these design choices extend tool life and support steady surface integrity, enabling operators to achieve consistent finishes without excessive tool intervention. The plate thickness T3 improves insert stability in the pocket, reducing vibration sensitivity in interrupted cuts.

Process security and shopfloor benefits

The insert supports process‑oriented production: its composition and geometry reduce the risk of edge chipping and thermal damage when machining difficult alloys. This leads to lower scrap rates and improved machine utilisation. In serial production the combination of a coated carbide grade and an efficient chipbreaker provides economic advantages by lengthening tool change intervals and stabilising cycle times. For engineers seeking predictable performance, the insert offers a balance of productivity and reliability, suitable for workshops that prioritise consistent throughput with minimum rework.

Practical application notes for integration

The insert suits medium to heavy milling passes in stainless steel and nickel‑based or titanium alloys, depending on the chosen cutter body and cutting parameters. When replacing an existing grade, adjustments to cutting speed and feed per tooth may be needed to exploit the WSM45X heat resistance and wear properties; conservative initial settings are recommended to establish steady chip shapes with the F57 breaker. Toolholders with secure clamping and minimal runout enhance the insert’s performance, preserving edge life and surface finish in production cycles.

Contact Metav Werkzeuge today for tailored machining recommendations on Walter Tools inserts with WSM45X grade and to arrange a process review with our technical consultants

Technical data

• Article number: SDMT09T308-F57-WSM45X-WALTER
• Designation: SDMT09T308-F57
• Grade: WSM45X
• Brand: Walter Tools
• Series: Walter Schneidstoffsorte - Serie offen

Facts

• Insert shape: Square 90°
• Corner radius: 0.8 mm
• Clearance angle: 15°
• Chipbreaker: F57
• Insert size: 09
• Thickness: T3
• Tolerance class: M
• Execution: T

Special features

• Coated carbide cutting grade
• Material groups: S / M (superalloys/titanium and stainless steel)
• Optimised chip control geometry
• Robust cutting edge for heavy milling

FAQ

What materials is this insert suited for?
The SDMT09T308‑F57 WSM45X insert is intended for stainless steel and heat‑resistant superalloys (ISO groups M and S), offering thermal resistance and stable chip formation for these materials.

How does the F57 chipbreaker affect machining?
The F57 chipbreaker on this insert promotes controlled chip formation in ductile and adhesive materials, improving process stability and reducing the risk of built‑up edge during milling.

Can this insert be used for slotting and face milling?
Yes, the square 90° geometry with a 0.8 mm corner radius provides the strength for slotting and the versatility for face milling, though cutting parameters should be adapted to the material and machine dynamics.

Which benefits does the WSM45X grade provide in production?
The WSM45X coated carbide grade delivers enhanced edge stability and wear resistance under thermal load, resulting in longer tool life, fewer tool changes and more consistent part quality.

Is the insert compatible with standard toolholders?
The insert fits standard cutter bodies designed for SDMT‑style inserts; accurate clamping and low runout are recommended to realise the plate’s full performance.

Manufacturer/Responsible: Walter Tools (brand of Walter AG, part of the Sandvik Group); 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 affiliation between our company and the named brands. The offered item is an original, factory‑new product of the manufacturer.