LNMU130608R-L55T WSM45X WSM45X Wendeplatten - Walter Tools

Take advantage of the combination of WSM45X coated carbide and the L55T chipbreaker to secure consistent chip control and long tool life in demanding materials; order directly via Metav Werkzeuge or consult the technical team for machining parameters and optimisation.

LNMU130608R-L55T WSM45X – indexable milling insert, coated carbide for rostfreier Stahl and superalloys | Walter Tools

The LNMU130608R-L55T WSM45X is an indexable milling insert engineered for heavy-duty machining of rostfreier Stahl and heat-resistant superalloys, offering stable cutting performance under high thermal and mechanical load.

• Coated carbide grade WSM45X for heat resistance
• L55T chipbreaker for reliable chip control
• Rectangular 13 mm format, 0.8 mm corner radius
• Negative 0° rake for robust cutting edge

Stable chip control for high-demand materials

The insert’s L55T chipbreaker is designed to manage long, stringy chips typical of rostfreier Stahl and superalloys, improving process reliability and reducing downtime from chip entanglement. The combination of the WSM45X coated carbide and the dedicated chip geometry promotes secure chip formation and evacuation; this leads to more consistent surface finishes and fewer interruptions during serial production. Where material ductility and heat build-up are problematic, the chip control geometry reduces mechanical and thermal loads on the cutting edge.

Robust edge security and thermal resistance

A 0° negative rake and a 0.8 mm corner radius provide mechanical strength at the cutting edge, making the insert suitable for interrupted cuts and heavy engagement. The coated carbide grade is tuned for thermal resilience and wear resistance, helping to maintain a stable edge where temperatures rise quickly. For process planners, this translates into extended edge life and predictable tool-change intervals, which support efficiency gains and lower total machining costs over production runs.

Practical application advice and expected benefits

The rectangular 13 mm format and thickness code ensure compatibility with standard holders for face and shoulder milling applications. When paired with appropriate feeds and moderate cutting speeds for rostfreier Stahl, the geometry delivers repeatable performance and improved surface integrity. Use of this insert can reduce rework rates and contribute to stable component quality in aerospace, power generation and high-performance engineering where superalloys and rostfreier Stahl are common.

Contact Metav Werkzeuge to review machining recommendations and secure the right Walter Tools inserts for specific rostfreier Stahl or superalloy applications

Technical data

• SKU: LNMU130608R-L55T-WSM45X-WALTER
• Label: Fräswendeschneidplatte LNMU130608R-L55T WSM45X Walter Tools
• Manufacturer: Walter Tools
• Product type: Fräswendeschneidplatte
• Series: Walter Schneidstoffsorte - Serie offen
• Grade: WSM45X
• Designation: LNMU130608R-L55T
• Execution: U
• Tolerance class: M

Facts

• Insert size: 13
• Corner radius: 0.8 mm
• Thickness code: 06
• Rake angle: 0° (negative)

Special features

• Coated carbide cutting grade WSM45X
• Chipbreaker: L55T
• Shape: Rechteck
• Suitable for rostfreier Stahl and high-temperature superalloys
• Designed for stable chip formation and robust edge security

FAQ

What materials is this insert best suited for?
The LNMU130608R-L55T WSM45X insert is intended for machining rostfreier Stahl and heat-resistant superalloys, offering a grade and geometry optimised for those material groups.

How does the L55T chipbreaker affect machining of rostfreier Stahl?
The L55T chipbreaker promotes controlled chip formation and evacuation when cutting rostfreier Stahl, reducing the risk of built-up edge and improving process stability for the insert.

Is the insert suitable for interrupted cuts and heavy engagement?
Yes; the negative 0° rake combined with a 0.8 mm corner radius gives mechanical edge strength suitable for interrupted cuts and higher radial depths of cut.

Can the insert grade be used in high-temperature environments?
The WSM45X coated carbide is engineered for improved thermal resistance and wear control, making it appropriate for elevated temperatures that occur when machining difficult alloys.

Which toolholders are compatible with the rectangular format?
Standard rectangular milling toolholders that accept a 13 size rectangular insert and the LNMU style clamping will be compatible; follow holder manufacturer specifications when mounting the insert.

Manufacturer: Walter AG (brand: Walter Tools); Tübingen, Germany