SDGT09T3PDR-D57 WKP25S Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Silver coating and the WKP25S grade for prolonged tool life, while the D57 chipbreaker and 15° clearance deliver reliable chip control and consistent surface quality; order directly via Metav Werkzeuge or consult our specialists for application-specific advice.

SDGT09T3PDR-D57 WKP25S – Milling insert (Square 90°, 15° clearance) by Walter Tools

The SDGT09T3PDR-D57 WKP25S is a square milling insert engineered for productive machining of steel and cast iron, combining a robust coated carbide grade with a dedicated chipbreaker for controlled chip formation

• Tiger·tec Silver coating for stable wear resistance
• Optimised D57 chipbreaker for reliable chip control
• Square 90° insert, 15° clearance, T3 thickness

Robust coating for longer tool life and steady productivity

The Tiger·tec Silver technology, applied to the WKP25S cutting grade, offers enhanced wear resistance under typical steel and cast iron cutting conditions. This coated carbide composition reduces flank wear and preserves cutting-edge geometry, which translates into longer intervals between indexings and fewer unplanned tool changes. For production environments where uptime matters, the result is a measurable improvement in process stability and reduced tool handling.

Predictable chip formation and geometry that aids surface quality

The integrated D57 chipbreaker is designed to produce manageable chip shapes when machining ISO groups P (steel) and K (cast iron), improving evacuation and reducing the risk of recutting. The square 90° form delivers robust shoulder milling performance and allows effective axial engagement, while the 15° clearance helps prevent rubbing on the workpiece. Together, these geometry choices support consistent surface finish and lower the incidence of built-up edge in intermittent cutting.

Application guidance for efficient integration into tool systems

The insert’s T3 thickness and the specified execution enable straightforward adaptation to standard milling cutter bodies that accept this geometry. For planning cuts, select speeds and feeds aligned with the WKP25S recommendations for steel or cast iron workpieces; conservative starting parameters assist in validating chip flow and thermal behaviour. For unfamiliar materials, trial passes with shorter lengths of cut help confirm the best combination of feed per tooth and depth of cut for stable performance.

Contact Metav Werkzeuge for tailored recommendations on Walter Tools Tiger·tec Silver inserts and to confirm the optimal chipbreaker and geometry for specific steel or cast iron applications

Technical data

• Article number: SDGT09T3PDR-D57-WKP25S-WALTER
• SKU: SDGT09T3PDR-D57-WKP25S-WALTER
• Designation: SDGT09T3PDR-D57 WKP25S
• Product type: Milling insert
• Manufacturer: Walter Tools

Core specifications

• Free angle: 15°
• Insert shape: Square 90°
• Plate size: 09
• Thickness: T3
• Tolerance class: G

Materials & features

• Coating / series: Tiger·tec Silver
• Grade: WKP25S (coated carbide)
• Chipbreaker: D57
• Execution: T
• Suitable for: Steel (ISO P) and Cast iron (ISO K)
• Plate designation without grade: SDGT09T3PDR-D57

FAQ

What materials is this insert suitable for?
The SDGT09T3PDR-D57 WKP25S insert is intended for machining steel (ISO P) and cast iron (ISO K) and is optimised for these material groups thanks to the WKP25S grade.

What benefit does the Tiger·tec Silver coating provide?
Tiger·tec Silver on the WKP25S grade improves wear resistance and thermal stability, extending the service life of the insert in demanding milling operations.

How does the D57 chipbreaker affect machining?
The D57 chipbreaker supports controlled chip formation and evacuation during milling, reducing recutting and helping to maintain consistent surface quality with this Walter Tools insert.

Is the square 90° geometry suitable for shoulder milling?
Yes, the square 90° form combined with 15° clearance is well suited to shoulder milling and allows for robust axial engagement in typical cutter bodies.

How can the designation SDGT09T3PDR-D57 be interpreted?
The designation indicates insert geometry and chipbreaker type (D57); SDGT09T3PDR-D57 WKP25S specifies the insert form and the WKP25S coated carbide grade used for steel and cast iron applications.

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

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