P44290-1R125-D57 WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, the WKP25S grade and proven chip control for more productive milling of steel and cast iron; order directly via Metav Werkzeuge or contact our consultants for application advice.

P44290-1R125-D57 WKP25S milling indexable insert – high‑performance grade for steel and cast iron by Walter Tools

P44290-1R125-D57 WKP25S is a coated milling insert designed for efficient material removal in steel and cast iron applications

• Tiger·tec Silver coated grade WKP25S
• Coated carbide for high wear resistance
• Optimised chipbreaker 1R125-D57 for reliable chips
• Suited for steel and cast iron machining

Faster, more reliable machining for steels and cast irons

The WKP25S grade, part of the Tiger·tec Silver family, is a coated carbide solution engineered for the thermal and abrasive challenges of machining steel and cast iron. The coating improves heat resistance and reduces flank wear, which translates into longer tool life and fewer tool changes in series production. In practice, this means more consistent cycle times and a higher overall throughput in light to heavy milling operations. The insert’s metallurgy and coating behaviour also help to maintain a steady cutting edge under the typical temperatures encountered when cutting unalloyed and alloyed steel, delivering predictable performance across varying feed rates.

Controlled chip formation and surface quality with defined geometry

The integrated chipbreaker 1R125-D57 geometry enhances chip control and reduces the risk of built-up edge, particularly when machining short to medium chips in cast iron and tougher steels. Better chip management lowers the chance of re-cutting and machine interruption, which supports stable process windows and improved part finish. The insert geometry has been developed to balance cutting forces and surface interaction, helping to produce consistent component tolerances and a reliable surface finish even on longer runs. Clear chip evacuation also assists coolant access and reduces thermal spikes on the cutting edge, which benefits both tool life and component integrity.

Easy integration into production and measurable productivity gains

Designed for use in standard milling cutter bodies, this insert offers straightforward replacement and reproducible results, which simplifies tool management in the workshop. The combination of Tiger·tec Silver technology and the WKP25S grade provides a cost‑effective solution where longevity and process security are priorities. For production environments aiming to reduce downtime and increase parts per hour, the grade delivers a quantifiable advantage: fewer tool changes and steadier performance under fluctuating cutting conditions. Process engineers will find the insert particularly useful when looking to standardise on a single grade for mixed batches of steel and cast iron components.

For application advice or to discuss cutter compatibility, contact Metav Werkzeuge: info@metav-werkzeuge.com or call +49 2822 7131930 — our team will help select the optimal grade and geometry for the task.

Technical data

• Article number: P44290-1R125-D57-WKP25S-WALTER
• Label: Fräswendeschneidplatte P44290-1R125-D57 WKP25S Walter Tools
• UID: P44290-1R125-D57-WKP25S-WALTER
• Manufacturer: Walter Tools

Facts

• Designation: P44290-1R125-D57
• Chipbreaker: 1R125-D57
• Grade: WKP25S
• Series: Tiger·tec Silver

Special features

• Coating: Tiger·tec Silver
• Base material: coated carbide
• Suitable for: steel (P) and cast iron (K) according to ISO 513
• Product type: milling indexable insert

FAQ

Which materials can this insert machine reliably?
The P44290-1R125-D57 WKP25S insert from Walter Tools is specified for steel and cast iron applications and is optimised for the typical heat and chip formation of these materials.

What benefit does the Tiger·tec Silver coating provide?
The Tiger·tec Silver coating increases thermal resistance and wear performance on the WKP25S grade, extending cutting edge life and stabilising machining results.

How does the 1R125-D57 chipbreaker affect production?
The 1R125-D57 chipbreaker improves chip control and evacuation, reducing interruptions and supporting consistent surface quality during long runs.

Is this insert suitable for high‑feed or roughing operations?
The combination of the WKP25S grade and robust chipbreaker makes the insert well suited to productive roughing and general milling tasks in steel and cast iron where tool life and process security are required.

Manufacturer/Responsible: Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany;
Protected trademarks and product names are the property of their respective owners. Mention of brand names is for explanation only and does not imply any affiliation between our company and the listed brands. The offered item is original, factory‑new goods of the manufacturer.