LNMU080404-F57T WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, the WKP25S grade and a negative 0° rake for consistent metal removal and long tool life; order directly via Metav Werkzeuge or request specialist advice if required.

LNMU080404-F57T WKP25S indexable milling insert by Walter Tools — Tiger·tec Silver, for steel and cast iron machining

A LNMU080404-F57T WKP25S indexable milling insert designed for productive face and shoulder milling in steel and cast iron, offering a coated carbide grade for stable cutting and reliable edge life.

• Tiger·tec Silver coated carbide grade WKP25S
• Optimised for steel and cast iron machining
• Rectangular insert with 0.4 mm corner radius
• Negative rake 0° for stable cutting

Consistent removal rates for efficient production

The insert delivers predictable cutting performance by combining a modern coating system with a grade engineered for mixed-duty work. The Tiger·tec Silver technology reduces adhesion and thermal loading, which leads to longer tool life and fewer interruptions for index changes. For production environments seeking lower tool costs per component, the coated carbide composition and the engineered chip former provide an improved cost-benefit ratio without sacrificing process reliability.

Stable cutting geometry that supports process security

A rectangular shape with a defined 0.4 mm corner radius and a negative 0° rake gives the cutter a robust edge that tolerates variances in fixture and material. This geometry reduces the risk of edge chipping during interrupted cuts and heavy engagement, resulting in higher process stability and a consistent surface finish. Operators and planners benefit from fewer unplanned tool changes and more predictable cycle times in batch machining.

Grade and coating tailored to typical workshop steels and cast irons

The WKP25S grade is a coated carbide intended specifically for machining the ISO P and K groups, meaning it is well suited to a wide range of steels and cast irons encountered in general engineering. The combination of substrate and coating improves abrasion resistance for cast iron and controls heat and build-up when cutting steel, which helps to achieve reliable dimensional results even under varied cutting conditions.

Practical integration and handling advantages on the shop floor

The LNMU geometry and chipbreaker F57T simplify insert positioning and clamping in common milling cutters, supporting quick index changes and straightforward tool management. The tolerance class M assists in consistent fitment, while the clear specification of series and grade eases tool selection across production lines. For buyers aiming to reduce setup time and improve uptime, this insert supports both operational efficiency and simplified inventory management.

For tailor-made advice on integrating Walter Tools Tiger·tec Silver inserts into existing processes, contact Metav Werkzeuge for application support and reliable supply — info@metav-werkzeuge.com, +49 2822 7131930

Technical Data

• Article number: LNMU080404-F57T-WKP25S-WALTER
• Product name: LNMU080404-F57T WKP25S
• Product type: Indexable milling insert (milling insert)
• Manufacturer: Walter Tools
• Grade / sort: WKP25S
• Series: Tiger·tec Silver
• Chipbreaker: F57T

Facts

• Corner radius: 0.4 mm
• Free rake angle: 0° (negative)
• Plate size code: 08
• Plate thickness code: 04
• Tolerance class: M

Special features

• Coated carbide (coating technology: Tiger·tec Silver)
• Material application: Steel (P) and Cast iron (K)
• Rectangular plate form
• Execution: U

FAQ

What materials is this insert suitable for? The LNMU080404-F57T WKP25S is designed for the ISO groups P and K, meaning it is suitable for machining steel and cast iron under typical workshop conditions.

How does the Tiger·tec Silver coating benefit performance? The Tiger·tec Silver coating on the WKP25S grade improves thermal resistance and wear behaviour, which extends edge life and supports consistent cutting in both steel and cast iron applications.

What does the 0° free rake angle mean in practice? A 0° (negative) free rake delivers a robust cutting edge geometry that is less prone to chipping during heavy cuts or interrupted milling, helping to maintain process stability.

Is the insert compatible with standard rectangular milling cutters? Yes, the rectangular plate form and tolerance class M make the insert compatible with common clamping systems for rectangular milling inserts; the chipbreaker F57T aids chip control during general milling tasks.

How is the corner radius reflected in finished parts? The 0.4 mm corner radius helps to improve edge strength while producing a defined fillet on internal corners, balancing surface integrity with tool life.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trade names are mentioned for explanatory purposes only and do not imply any affiliation. The offered article is original, factory-new goods from the manufacturer. The Walter Tools brand is cited for clarification of origin and specifications.