SPKT1204AZN WKP25S WKP25S Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Silver coating, WKP25S grade and a robust square geometry for stable chip control and extended tool life. Order the SPKT1204AZN WKP25S milling insert directly via Metav Werkzeuge or ask our consultants for specific application advice.

SPKT1204AZN WKP25S milling insert for steel and cast iron – Walter Tools

SPKT1204AZN WKP25S is a square 90° milling insert optimised for productive machining of steel and cast iron in general milling operations

• Tiger·tec Silver coating for consistent wear
• WKP25S grade for steel and cast iron
• Square 90° geometry for robust cutting edge
• 11° relief angle for versatile milling

Predictable tool life through advanced coating and grade

The SPKT1204AZN WKP25S combines the Tiger·tec Silver coating with a WKP25S coated-carbide grade to deliver consistent wear resistance and stable performance under industrial cutting conditions. The specialised coating technology reduces flank wear and increases resistance to thermally induced abrasion during high-volume production. For machining unalloyed and alloyed steel as well as cast iron, this arrangement minimises tool-change frequency and supports longer uninterrupted running times, which contributes directly to higher process efficiency and lower unit costs.

Geometry engineered for heavy engagement and edge strength

A square 90° plate form provides a wide, stable seating and a strong cutting edge, ideal for face, slot and profile milling where rigidity is essential. The insert’s 11° relief angle offers a compromise between strength and shear, making it suitable for applications with varying depths of cut. The combination of geometry and the coated-carbide substrate keeps edge toughness high, reducing chipping risk during interrupted cuts or when encountering hard inclusions commonly found in cast components.

Application versatility and practical benefits on the shop floor

Designed for the machining groups P and K (that is, steel and cast iron), the insert supports a broad range of workpiece materials according to ISO 513 classifications. The proven grade offers reliable chip formation control and is intended for catalogue- and geometry-dependent applications across finishing and roughing operations. In practical terms, this means fewer insert variants are required on the shelving, simplified tooling decisions and predictable surface finishes — all factors that help maintain steady production throughput.

Contact Metav Werkzeuge for tailored application recommendations and supply of the SPKT1204AZN WKP25S insert from Walter Tools.

Technical Data

• Article number: SPKT1204AZN-WKP25S-WALTER
• SKU: SPKT1204AZN-WKP25S-WALTER
• Designation: SPKT1204AZN WKP25S

Facts

• Insert size: 12
• Thickness code: 04
• Relief angle: 11°
• Corner angle: 90°
• Tolerance class: K

Special features

• Series: Tiger·tec Silver
• Grade: WKP25S
• Coating: Tiger·tec Silver (coated carbide)
• Substrate / material: P / K
• Application: Steel (P), Cast iron (K)
• Geometry: Square 90°
• Execution: T
• Manufacturer: Walter Tools

FAQ

What materials is this insert suitable for? The SPKT1204AZN WKP25S insert is suitable for machining steel (ISO group P) and cast iron (ISO group K) thanks to its WKP25S grade and Tiger·tec Silver coating.

How does the Tiger·tec Silver coating improve performance? Tiger·tec Silver coating on the insert reduces abrasive and thermal wear, improving wear resistance and enabling longer cutting times before regrinding or replacement is required.

Which applications benefit most from the square 90° geometry? Face milling, slotting and operations with high radial engagement profit from the square 90° geometry because it provides a stable cutting edge and high edge strength.

Is the insert suitable for interrupted cuts and mixed workloads? Yes, the coated-carbide grade and the robust geometry are designed to tolerate interrupted cuts and variable load conditions commonly encountered in mixed-production environments.

Can this insert be used for both finishing and roughing? The WKP25S grade is intended for a range of catalogue- and geometry-dependent applications, making it suitable for both finishing and certain roughing operations where the specified parameters are respected.

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

Protected trademarks and trade names are the property of their respective owners. Brand names are used for explanatory purposes only. There is no affiliation between our company and the named brands. The offered article is an original, factory-new product from the manufacturer. The Walter AG (market appearance: Walter Tools) is one of the world’s leading manufacturers of precision tools for metalworking and is part of the Sandvik group.