MPHW120408-A57 WKP35S Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Silver coating, WKP35S grade and precise geometry to achieve reliable chip control and extended tool life; order the MPHW120408-A57 WKP35S directly via Metav Werkzeuge or consult our specialists for tailored recommendations.

MPHW120408-A57 WKP35S — milling indexable insert with Tiger·tec Silver coating for steel and cast iron | Walter Tools

MPHW120408-A57 WKP35S is a milling indexable insert designed for robust machining of steel and cast iron, optimised for secure chip formation and long service intervals in industrial milling operations

• Tiger·tec Silver coating for enhanced wear resistance
• WKP35S grade for consistent performance in P and K materials
• 11° clearance angle for stable cutting geometry
• 0.8 mm corner radius for improved surface finish

Faster throughput thanks to wear‑resistant coating and grade

The combination of the Tiger·tec Silver coating with the WKP35S carbide grade delivers a noticeable improvement in wear resistance and life span under cyclic loading. This coating technology combines a tough substrate with a multi-layer deposition that resists abrasive and adhesive wear, which in practice reduces the frequency of tool changes and keeps machine uptime high. For industrial shops where repeatability matters, this translates into fewer interruptions and more consistent cycle times when machining steel and cast iron.

Controlled geometry for reliable surface quality

A well-defined geometry is central to predictable results: the 11° clearance angle and a 0.8 mm corner radius work together to stabilise the cutting edge and reduce vibration in interrupted or continuous milling. The modest corner radius supports a good balance between edge strength and surface finish, while the clearance promotes effective shear formation. These geometric choices help to avoid premature edge chipping and improve dimensional stability, which is especially important when producing components that require tight tolerances.

Practical application, chip control and shop benefits

Equipped with an A57 chipbreaker and produced to tolerance class H, this insert is tailored for the machining patterns typical of the ISO P and K groups. The chipformer promotes short, manageable chips in cast iron and controlled swarf in steels, lowering the risk of entanglement and protecting the toolholder and workpiece. For production environments—from jobbing workshops to larger CNC cells—this means more reliable cycles, reduced rework and a better return on tooling investment. If application-specific data or cutting parameter tables are required, Metav Werkzeuge provides technical advice and can assist with selection and optimisation.

Contact Metav Werkzeuge for application-specific recommendations on Walter Tools Tiger·tec Silver inserts and to discuss suitable cutting parameters or compatible toolholders

Product data

• SKU: MPHW120408-A57-WKP35S-WALTER
• Article: MPHW120408-A57 WKP35S
• Manufacturer: Walter Tools
• Product type: Milling indexable insert
• Series: Tiger·tec Silver

Core dimensions

• Clearance angle: 11°
• Corner radius: 0.8 mm
• Plate size (inscribed circle): 12 mm
• Thickness: 0.4 mm

Special features

• Grade: WKP35S
• Chipbreaker: A57
• Tolerance class: H
• Materials: Steel (P), Cast iron (K)
• Substrate: Coated carbide
• Designation without grade: MPHW120408-A57

FAQ

What materials is this insert suitable for?
This insert is suitable for machining steel and cast iron (ISO groups P and K); the WKP35S grade and Tiger·tec Silver coating are matched to these material behaviours.

How does the A57 chipbreaker affect machining?
The A57 chipbreaker on the MPHW120408-A57 WKP35S promotes controllable, short chips in cast iron and improved chip control in steels, aiding unattended or automated milling operations.

Which cutting tasks benefit most from this geometry?
Stable face and shoulder milling operations that require consistent surface quality and tool life benefit from the 11° clearance angle and 0.8 mm corner radius found on this insert.

Is this insert compatible with standard Walter milling cutters?
The MPHW120408-A57 WKP35S is designed to fit toolholders accepting the MPHW120408-A57 designation; confirmation of holder compatibility is recommended before assembly.

What performance advantages can be expected over uncoated grades?
Compared with uncoated carbide, the Tiger·tec Silver coating delivers higher resistance to abrasive and adhesive wear, typically resulting in longer tool life and more stable process windows under industrial cutting conditions.

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

Protected trademarks and trade names are the property of their respective owners. Mark names and registered trademarks are mentioned solely for explanatory purposes. There is no connection between our company and the named brands. The offered item is an original, factory-new product of the manufacturer (Walter Tools).