P3204-D20 WKP25 Wendeplatten - Walter Tools

Benefit from the WKP25 coated grade together with the D20 chipbreaker for dependable milling of steel and cast iron; combine consistent chip control and wear resistance to improve process stability. Order directly via Metav Werkzeuge or consult our specialists for application-specific cutting data and process optimisation.

P3204-D20 WKP25 milling indexable insert — Coated carbide, D20 chipbreaker | Walter Tools

The P3204-D20 WKP25 is a milling indexable insert designed for general milling of steel and cast iron, offering a robust coated-carbide grade and a D20 chipbreaker for stable material removal.

• Coated WKP25 grade for wear resistance
• D20 chipbreaker for stable chip control
• Suited for steel and cast iron milling
• Walter Schneidstoffsorte open series

Predictable chip control reduces downtime and cycle variation

The D20 chipbreaker is engineered to produce short, repeatable chips when machining steel and cast iron, which reduces the risk of chip entanglement and tool interference. A controlled chip formation shortens non-productive time for chip clearing and helps maintain consistent cutting conditions; this translates into fewer interruptions on the machine and a more reliable production rhythm. For operators unfamiliar with chipbreaker terminology: a chipbreaker is a micro-geometry that splits and curls the metal chips so they evacuate safely and predictably.

Coated WKP25 grade for extended tool life and process stability

The WKP25 designation denotes a coated carbide grade selected by Walter Tools for balanced hardness and toughness in mixed applications. The coating enhances resistance to abrasive wear and high-temperature micro-welds at the cutting edge, which helps sustain surface finish and dimensional repeatability. In practice, the coated substrate supports longer edge life in cyclic production runs, offering a favourable ratio of tool life to productivity for batch and continuous milling.

Clear application range and ISO-based suitability

This indexable insert is matched to ISO material groups P (steel) and K (cast iron), meaning it is tailored for the thermal and mechanical conditions typical of these families. For shops that process mixed batches, the insert’s compatibility across both groups simplifies tool logistics and reduces the need for frequent insert changes. The combination of grade and chip geometry makes the insert suited to a wide range of general-purpose milling tasks where consistent surface quality and process security matter more than extreme niche performance.

Straightforward selection and secure integration into tool systems

Designated as P3204-D20 and specified in the Walter Schneidstoffsorte open series, the insert integrates with standard milling toolholders that accept this shape and chipbreaker. The indexable format allows quick replacement of cutting edges without regrinding, supporting predictable tool costs and fast turnaround during maintenance. For technical planning, request the cutting data sheet from Metav Werkzeuge or ask for recommended speeds and feeds tailored to workpiece alloy and cutter diameter.

Contact Metav Werkzeuge for tailored cutting data and process advice on the Walter Tools P3204-D20 WKP25 and secure the right tool setup for your milling applications

Technical data

• Article number: P3204-D20-WKP25-WALTER
• Designation: P3204-D20 WKP25
• Manufacturer: Walter Tools

Core technical data

• Grade: WKP25
• Chipbreaker: D20
• Application: Steel (P) and cast iron (K)
• Material type: coated carbide

Special features

• Series: Walter Schneidstoffsorte - Serie offen
• Indexable insert for milling
• Optimised for repeatable short chips
• Coating for improved wear resistance

FAQ

What workpiece materials is this insert suitable for?
The P3204-D20 WKP25 insert is designed for machining steel (ISO group P) and cast iron (ISO group K), combining a coated carbide grade with a D20 chipbreaker for stable performance on these materials.

How does the D20 chipbreaker affect machining?
The D20 chipbreaker on this insert promotes short, controlled chips which improve chip evacuation, reduce re-cutting, and help maintain consistent cycle times during milling of steel and cast iron.

Is this insert part of a specific Walter Tools series?
Yes, the insert belongs to the Walter Schneidstoffsorte open series and is offered in the WKP25 coated-carbide grade for general-purpose milling tasks.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is among the world’s leading manufacturers of precision tools for metalworking and is part of the Swedish Sandvik Group. Protected trademarks and trade names are the property of their respective owners. Brand names and protected products are mentioned for explanation only. There is no connection between our company and the mentioned brands. The offered article is original and brand-new from the manufacturer.