SPJW1204EDR WKP25S Wendeplatten - Walter Tools

Benefit from the high wear resistance of the Tiger·tec Silver grade, the insert’s suitability for both steel and cast iron, and the secure seating provided by the 11° relief for consistent milling performance. Order directly via Metav Werkzeuge or consult our specialists for application advice.

SPJW1204EDR WKP25S — Milling indexable insert, Tiger·tec Silver, for steel & cast iron | Walter Tools

The SPJW1204EDR WKP25S is a square milling insert engineered for productive machining of steel and cast iron in demanding milling applications.

• High-performance Tiger·tec Silver coating
• Optimised for steel and cast iron machining
• Square 90° insert with 11° relief
• Tolerance class J for consistent fit

Consistent material performance for mixed-production runs

The Tiger·tec Silver grade WKP25S combines a modern coating system with a resilient substrate to deliver stable chip formation and extended edge life when machining a broad range of steels and cast irons. This coated carbide formulation is designed to cope with the thermal and abrasive stresses typical of steel (P) and cast iron (K) operations, reducing unscheduled downtime and helping to maintain steady cycle times. The result is a predictable tool life that supports efficient production planning and fewer tool changes.

Geometry and mounting for repeatable accuracy

The 90° square form and the 11° relief angle provide a robust cutting edge geometry that benefits interrupted cuts and general face milling. The specified tolerance J ensures consistent seating and repeatable indexing, which minimises runout and vibration when used with compatible toolholders. These geometric aspects together help to preserve surface quality and dimensional accuracy, particularly important for batch production where interchangeability and fixture repeatability are required.

Integration advantages and application guidance

As a milling indexable insert from Walter Tools, this item fits standard clamping systems and is suitable for general to semi-finishing passes across typical milling setups. The combination of the Tiger·tec Silver coating and the WKP25S grade supports productive cutting parameters and improved edge stability, which can translate into higher metal removal rates or more consistent finishes depending on process priorities. For specific machine, material or holder pairings, technical guidance is available to align cutting data and extend the effective life of the tooling.

Choose the Tiger·tec Silver WKP25S insert from Walter Tools for reliable mixed-material milling; contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 for tailored technical advice and ordering.

Technical Data

• Article number: SPJW1204EDR-WKP25S-WALTER
• Product: Milling indexable insert SPJW1204EDR WKP25S
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver

Facts

• Relief angle: 11°
• Shape: Square 90°
• Insert size: 12 mm
• Thickness: 4 mm
• Tolerance class: J

Special features

• Grade: WKP25S
• Coated carbide (beschichtetes Hartmetall)
• Suitable for: Steel (P) and Cast iron (K)
• Product type: Milling indexable insert

FAQ

What materials is this insert best suited for?
The SPJW1204EDR WKP25S is engineered for machining steel (P) and cast iron (K), exploiting the Tiger·tec Silver grade to balance wear resistance and chip control.

How does the Tiger·tec Silver coating benefit production?
Tiger·tec Silver enhances edge stability and reduces abrasive wear, so the WKP25S grade maintains cutting performance longer under the thermal loads typical of steel and cast iron machining.

What does the 11° relief angle mean for cutting behaviour?
An 11° relief reduces rubbing behind the cutting edge, improving shear formation and contributing to consistent surface finish and lower cutting forces in many milling operations.

Is this insert compatible with standard toolholders?
Yes, the square 90° form and the tolerance class J are intended for secure seating in standard indexable milling bodies designed for SPJW-style inserts.

Can this insert be used for finishing passes?
The coated carbide grade and geometry offer a balance that is suitable for general to semi-finishing passes; specific finishing strategies depend on the machine, holder and workpiece requirements.

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

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