MPMT120408-F57 WKP35S Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Silver coating, the WKP35S grade and an 11° clearance angle for productive, reliable milling of steel and cast iron; order directly via Metav Werkzeuge or consult our technical advisors for application-specific setup.

MPMT120408-F57 WKP35S indexable milling insert — Tiger·tec Silver, for steel and cast iron | Walter Tools

The MPMT120408-F57 WKP35S is an indexable milling insert engineered for high-productivity roughing and semi-finishing of steel and cast iron components.

• Tiger·tec Silver coating for extended tool life
• WKP35S grade for steel and cast iron
• 11° clearance angle for stable cutting
• 0.8 mm corner radius for reliable edge strength

High-efficiency cutting with a modern coating system

The combination of the Tiger·tec Silver coating and the WKP35S carbide grade results in stable machining performance and extended tool life. The advanced coating reduces abrasive and adhesive wear, which means longer intervals between indexings and fewer tool changes during production. For operations where cycle time and tool-change frequency matter, this insert supports higher metal removal rates while maintaining predictable flank wear and consistent component quality.

Optimised geometry for dependable chip control and edge stability

With an F57 chipbreaker and a 0.8 mm corner radius, the geometry is tuned to produce controllable, short chips in both ISO P (steel) and ISO K (cast iron) applications. The 11° clearance angle reduces cutting forces and helps maintain process stability, particularly in interrupted cuts or when engaging heavier depths of cut. The result is a reduced risk of edge chipping and more consistent surface finish on workpieces, supporting efficient downstream processes.

Practical benefits for shop-floor productivity

This insert’s nominal size of 12 mm and thickness code 04 allow compatibility with a wide range of Walter Tools milling cutters and standard toolholders; compatibility minimises inventory complexity. The indexable design offers the immediate economic advantage of multiple usable cutting edges per insert, which lowers per-part tooling cost and simplifies replenishment. The insert’s tolerance class M ensures consistent fit and repeatable seating in tool bodies, supporting automated tool changes where used.

Application guidance and material suitability

Designed for ISO groups P and K, the insert is suitable for unalloyed and alloyed steel as well as cast iron, matching the common demands of general engineering and heavy‑duty component machining. The WKP35S grade is optimised for typical steel heat generation and the abrasive nature of cast iron, offering a balance between wear resistance and toughness. For unfamiliar setups, begin with manufacturer-recommended speeds and feeds for the material group, then adjust based on surface finish and tool life observations.

For productive milling with Walter Tools’ Tiger·tec Silver inserts, contact Metav Werkzeuge for availability and personalised application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: MPMT120408-F57-WKP35S-WALTER
• Article designation: MPMT120408-F57
• Full ISO designation: MPMT120408-F57 WKP35S
• Manufacturer: Walter Tools
• Product type: Indexable milling insert

Facts

• Clearance angle: 11°
• Corner radius: 0.8 mm
• Plate size: 12 mm
• Thickness code: 04
• Tolerance class: M

Special features

• Series: Tiger·tec Silver
• Grade: WKP35S
• Chipbreaker: F57
• Suitability: ISO P (steel) and ISO K (cast iron)
• Execution: T

FAQ

What materials is this insert suitable for?
The WKP35S grade in the MPMT120408-F57 WKP35S insert is designed for ISO P (steel) and ISO K (cast iron), providing wear resistance for abrasive castings and thermal stability for steel machining.

How does the Tiger·tec Silver coating benefit machining?
The Tiger·tec Silver coating on this indexable milling insert lowers abrasive wear and improves heat resistance, which extends tool life and helps maintain consistent cutting performance over longer tool cycles.

What does the 0.8 mm corner radius mean for component quality?
A 0.8 mm corner radius offers a compromise between edge strength and achievable surface finish: it reduces the risk of chipping under heavy cuts while still allowing acceptable geometric detail on milled edges.

Is the insert compatible with standard toolholders?
The MPMT120408-F57 designation and tolerance class M indicate conformity with common indexable insert geometries and seating standards, enabling use in a broad range of compatible milling cutters.

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

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