SDMT09T3AZN-D57 WKK25G WKK25G Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Gold coating and the WKK25G grade, optimised for abrasive cast iron applications, to achieve stable chip formation and extended edge life. The square 90° geometry with a 15° relief ensures robust engagement in heavy milling passes. Order the insert directly via Metav Werkzeuge or consult our machining specialists for tailored recommendations.

SDMT09T3AZN-D57 WKK25G milling indexable insert — square 90°, Tiger·tec Gold | Walter Tools

SDMT09T3AZN-D57 WKK25G is a high-performance indexable milling insert designed for productive machining of cast iron components with consistent chip control.

• Tiger·tec Gold coating for wear resistance
• Optimised for cast iron machining
• Square 90° geometry for robust milling
• D57 chipbreaker for consistent chips

Reliable machining of cast iron components

The combination of the WKK25G grade and the Tiger·tec Gold coating is engineered for the specific demands of cast iron machining. The grade is tuned to resist abrasive wear and handle the frequently short, brittle chips produced by grey and ductile cast irons. The insert’s D57 chipbreaker promotes repeatable chip formation and evacuation, which reduces the risk of built-up edge and minimises interruptions in production. For shops that run uninterrupted milling cycles, this leads to fewer tool changes and steadier component quality.

Consistent productivity and longer edge life

With a 15° relief angle and square 90° geometry, the insert delivers a balance between cutting stability and edge strength; the larger contact zone supports heavy cuts while limiting chipping. The tolerance class M indicates manufacturing precision suitable for serial production where repeatability matters. These technical attributes translate into measurable productivity: stable cutting behaviour, predictable wear patterns and reduced scrap. The coated carbide substrate, as part of the Tiger·tec Gold family, offers a wear-resistant surface that extends service intervals under high-abrasion conditions.

Easy integration and predictable handling in the workshop

The insert’s designation (SDMT09T3AZN‑D57 WKK25G) and the T3 thickness conform to common tool-holder standards for indexable milling systems, which simplifies replacement and tool management. The square 90° form provides straightforward orientation and is suitable for face and shoulder milling operations where robustness is required. For less experienced technicians, the terms are straightforward: a chipbreaker shapes and directs chips; a grade defines the coating and substrate behaviour; tolerance class refers to dimensional precision. These characteristics ensure predictable results when the insert is applied in the intended cast iron range.

For tailored application advice or fast supply of Walter Tools SDMT09T3AZN-D57 WKK25G inserts, contact Metav Werkzeuge by e‑mail at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: SDMT09T3AZN-D57-WKK25G-WALTER
• Manufacturer: Walter Tools
• Product type: Milling indexable insert
• Designation: SDMT09T3AZN-D57 WKK25G

Core data

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

Special features

• Coating: Tiger·tec Gold
• Grade: WKK25G
• Series: Tiger‑tec Gold
• Material suitability: Cast iron (K)
• Execution: T

FAQ

Which materials is this insert intended for?
The WKK25G grade is optimised for cast iron; the SDMT09T3AZN‑D57 WKK25G insert is specifically tuned to handle abrasive cast‑iron materials with short, breaking chips.

What advantage does the Tiger·tec Gold coating provide?
The Tiger·tec Gold coating improves wear resistance and thermal stability, which helps maintain cutting-edge integrity under the abrasive conditions typical of cast‑iron machining.

How does the D57 chipbreaker affect machining?
The D57 chipbreaker is designed to shape and evacuate chips reliably, promoting stable cutting and reducing the likelihood of built‑up edge during intermittent or continuous milling.

What does the tolerance class M mean for production use?
Tolerance class M denotes a production precision that supports repeatable seating and consistent indexing in series production, contributing to uniform component quality.

Is the geometry suitable for heavy milling operations?
Yes; the square 90° geometry combined with a 15° relief provides a robust contact area that is well suited to heavier face and shoulder milling where stability is critical.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen, Germany; Walter Tools is a brand of Walter AG

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned for explanation only; there is no connection between our company and the named brands. The offered article is original, factory‑new goods from the manufacturer Walter Tools.