SDMT09T308-D51 WKP25S Wendeplatten - Walter Tools

The combination of the Tiger‑tec Silver coating and the WKP25S grade delivers reliable wear resistance and stable chip formation for productive milling of steel and cast iron; this insert supports consistent cycle times and fewer tool changes. Order the insert directly via Metav Werkzeuge or consult their technical team for application-specific selection.

SDMT09T308-D51 WKP25S indexable milling insert — Tiger‑tec Silver, for steel and cast iron (Walter Tools)

A high-performance SDMT09T308-D51 WKP25S indexable milling insert engineered for productive machining across ISO P and K materials, combining a robust coated grade with a chipbreaker designed for stable cutting.

• Tiger‑tec Silver coated grade WKP25S
• Square 90° geometry, 0.8 mm corner radius
• Chipbreaker D51 for stable chip control
• Suitable for Steel (P) and Cast Iron (K)

Durable grade for sustained productivity

The WKP25S grade, part of the Tiger‑tec Silver series, is a coated cemented carbide development tailored to the thermal and abrasive demands of turning and milling steels and cast irons. Its coating improves wear resistance and heat tolerance, which results in longer indexable-insert life and predictable performance under industrial cycle loads. The integrated chipbreaker D51 supports consistent chip formation, reducing the risk of built-up edge and unplanned stoppages.

Geometry tuned for reliable surface quality

A square 90° plate form with a 0.8 mm corner radius provides a balance between edge strength and surface finish. The fairly large corner radius improves edge robustness for interrupted cuts and contributes to a stable contact area between tool and workpiece, while still enabling acceptable surface roughness on typical structural steels and grey cast iron. Tolerance class M and plate thickness T3 give consistent seating in the tool holder, aiding repeatable part quality.

Predictable process economy and tool life

The coated grade and the insert geometry combine to lower the cost per component through extended tool life and reduced regrinds. Stable chip control from the D51 chipbreaker helps maintain coolant flow and evacuation, which in turn reduces rework and cycle variability. For production environments where machining time and repeatability matter, the insert supports fewer tool interventions and steadier throughput without compromising safety margins.

Simple identification and system compatibility

Designation elements—plate size 09, chipbreaker D51, and the WKP25S grade—make tool management straightforward in a tool crib. The SDMT form fits common Walter toolholders for milling applications, enabling rapid replacement and minimal setup. The clear ISO-aligned material groupings (P for steel, K for cast iron) facilitate correct tool selection for a wide range of workshop jobs and production scenarios.

Practical advantages in everyday use

Operators benefit from the insert’s robustness in mixed-material batches and from the consistent edge behaviour across shifts. The combination of grade and geometry reduces the need for extensive trial-and-error, supporting a smoother ramp-up in series production. If further machining parameters are required for process tuning, technical documentation and cutting data from the manufacturer or Metav Werkzeuge can provide guidance tailored to specific operations.

Contact Metav Werkzeuge for application advice and rapid supply of the Walter Tools SDMT09T308-D51 WKP25S insert; technical enquiries welcome at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical Data

• SKU: SDMT09T308-D51-WKP25S-WALTER
• ISO designation: SDMT09T308-D51 WKP25S
• Series: Tiger‑tec Silver
• Grade: WKP25S
• Manufacturer: Walter Tools

Facts

• Corner radius: 0.8 mm
• Free angle: 15°
• Plate size: 09
• Plate thickness: T3
• Tolerance class: M

Special features

• Coating technology: Tiger‑tec Silver
• Substrate: coated cemented carbide
• Chipbreaker: D51
• Plate form: square 90°
• Material groups: Steel (P), Cast iron (K)
• Typical applications: productive milling of steels and cast irons

FAQ

Which materials are suitable for this insert? The SDMT09T308-D51 WKP25S insert and its WKP25S grade are designed primarily for Steel (P) and Cast Iron (K) according to ISO groupings, providing balanced performance on unalloyed, alloyed steels and common cast-iron grades.

What does the chipbreaker D51 deliver in practice? Chipbreaker D51 ensures controlled chip formation and evacuation under typical milling feeds, which supports consistent surface quality and reduces the likelihood of chip-related interruptions during continuous production.

How does the 0.8 mm corner radius affect cutting? A 0.8 mm corner radius improves edge strength for interrupted or heavy cuts while still allowing acceptable surface finish; it reduces edge chipping risk compared with finer radii and extends usable tool life in demanding applications.

Is the insert compatible with standard Walter milling cutters? The SDMT09T308-D51 form is a standard indexable insert geometry intended for use in compatible Walter toolholders; correct seating and clamp torque ensure repeatable performance and dimensional stability.

What does the Tiger‑tec Silver coating mean for tool life? The Tiger‑tec Silver coating enhances wear resistance and thermal stability of the coated cemented carbide substrate, promoting longer tool life and more consistent cutting forces across production batches.

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

Protected trademarks and trade names remain the property of their respective owners. Brand names are used for explanatory purposes only. There is no affiliation between our company and the named manufacturers. The offered item is an original, factory-new product from the manufacturer Walter Tools.