SDMT09T3AZN-D57 WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, robust square geometry and a dedicated chipbreaker for stable, repeatable milling results; order directly via Metav Werkzeuge or consult the team for cutting data and grade recommendations.

SDMT09T3AZN-D57 WKP25S milling insert by Walter Tools — Tiger·tec Silver, for steel and cast iron

SDMT09T3AZN-D57 WKP25S is a square 90° indexable milling insert designed for medium to heavy machining of steel and cast iron, offering a wear-resistant coating and a chipbreaker matched to typical milling chips and forces.

• Tiger·tec Silver coating for durability
• For steel and cast iron machining
• Square 90° geometry for secure clamping
• 15° clearance and T3 thickness

Coating and grade that sustain process stability

The combination of the Tiger·tec Silver coating and the WKP25S grade provides high abrasive resistance and a stable cutting edge across interrupted and continuous cuts. The coated cemented carbide composition is optimised for the thermal and mechanical loads encountered when machining ISO P (steel) and ISO K (cast iron) workpieces. This means fewer insert changes and more predictable tool life, which directly supports higher machine utilisation. The D57 chipbreaker controls chip formation and evacuation to reduce the risk of re-cutting and to promote consistent surface finish, even under variable feed conditions.

Geometry that enhances clamping security and surface quality

The square 90° plate form with a 15° clearance angle and T3 thickness offers structural rigidity and reliable seat contact in standard milling toolholders. The geometry minimises deflection and vibration for interrupted cuts or shoulder milling, translating into improved dimensional stability and lower scrap rates. The M tolerance class ensures repeatable positioning in multi-insert cutters, while the defined chipbreaker reduces cutting forces and helps maintain consistent roughness values on the machined component.

Real workshop benefits: productivity and predictable results

In practice, choosing this insert supports faster setup cycles and fewer unplanned stops. The design and coating combination of this grade aim to reduce flank wear and maintain a sharper cutting edge for longer, which often results in lower overall tooling costs per produced part. For production environments where short-term variability occurs — mixed batch sizes or varying heat-treated states of workpieces — the insert’s balanced performance for steel and cast iron assists in keeping process windows tight and surface quality consistent. The result is a measurable improvement in throughput without compromising on finish or tolerance control.

Contact Metav Werkzeuge for tailored cutting data, sample recommendations and integration advice for the SDMT09T3AZN-D57 WKP25S milling insert

Technical data

• SKU: SDMT09T3AZN-D57-WKP25S-WALTER
• Article: SDMT09T3AZN-D57 WKP25S
• Manufacturer: Walter Tools
• Type: Milling insert (indexable)

Facts

• Free angle: 15°
• Insert size: 09
• Thickness: T3
• Form: Square 90°
• Tolerance class: M
• Chipbreaker: D57

Special features

• Coating: Tiger·tec Silver
• Grade: WKP25S
• Material suitability: Steel (P) and Cast iron (K)
• Series: Tiger-tec Silver
• Execution: T

FAQ

What materials is this insert recommended for?
This insert is specified for machining steel (ISO P) and cast iron (ISO K); the WKP25S grade and Tiger·tec Silver coating are tailored to these material groups.

Which insert geometry ensures stable clamping for face milling?
The square 90° plate form and T3 thickness provide a rigid seating and stable clamping when used in compatible milling cutters.

How does the D57 chipbreaker affect machining?
The D57 chipbreaker promotes controlled chip formation and evacuation, improving surface finish and reducing the risk of chip-related interruptions.

Is the insert suitable for interrupted cuts and heavy-duty milling?
Yes; the combination of grade, coating and geometry is designed to withstand the loads of interrupted and moderate-heavy milling operations.

Can the SDMT09T3AZN-D57 WKP25S be used in multi-insert tooling with tight runout requirements?
The M tolerance class supports repeatable positioning in multi-insert cutters, aiding dimensional consistency under typical shop conditions.

Hersteller: Walter Tools; Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

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