SDMW09T320-A57 WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of high process reliability, specialised WKK25G grade and optimised chip control for consistent cast iron machining; order the insert directly via Metav Werkzeuge or contact our consultants for application guidance.

SDMW09T320-A57 WKK25G milling indexable insert for cast iron (Tiger‑tec Gold) – Walter Tools

The SDMW09T320-A57 WKK25G is a square milling insert designed for productive machining of cast iron, delivering stable chip formation and extended tool life in interrupted and continuous milling operations.

• Tiger‑tec Gold coated carbide grade WKK25G
• Optimised for abrasive cast iron machining
• Square 90° insert with 2 mm corner radius
• 15° clearance angle for robust engagement

Boosted productivity for abrasive cast iron applications

The Tiger‑tec Gold series and the WKK25G grade are developed specifically for the challenges of cast iron machining. By combining a wear-resistant coating with a substrate engineered for short, brittle chips, the solution reduces flank wear and maintains cutting edge stability under high abrasive conditions. This results in predictable performance, fewer tool changes and a measurable increase in machining throughput where stable process times are essential.

Consistent geometry for secure positioning and repeatability

The square 90° form and a 2 mm corner radius provide a balance between strength and accessible cutting edge length. The standardised geometry ensures repeatable seating in toolholders and supports reliable indexability, which reduces setup effort and downtime. With a 15° clearance the insert tolerates moderate engagement angles while maintaining secure chip evacuation, helping to preserve surface finish and dimensional consistency on cast components.

Coating technology and grade for extended tool life

The Tiger‑tec Gold coating applied to the WKK25G grade enhances resistance to abrasive wear common in cast iron. The coated carbide composition improves thermal stability at the cutting zone and reduces notch wear, which extends service intervals. Improved edge integrity lowers the risk of catastrophic failure and supports longer uninterrupted production runs — a direct economic benefit in serial machining.

Practical advantages in the production environment

The insert’s chipbreaker A57 and tolerance class M contribute to controlled chip formation and predictable cutting forces. These attributes simplify process planning: feeds and speeds can be set with confidence, and tool performance scales well across batch and continuous operations. For milling centres and heavy-duty roughing tasks on cast iron, the combination of geometry and coating translates into fewer tool changes and a more reliable machining cycle.

For application advice or to discuss the best Tiger‑tec Gold solution for specific cast iron jobs, contact Metav Werkzeuge for tailored support via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: SDMW09T320-A57-WKK25G-WALTER
• Designation: SDMW09T320-A57 WKK25G
• Manufacturer: Walter Tools
• Series: Tiger‑tec Gold

Numbers / Core technical data

• Clearance angle: 15°
• Corner radius: 2
• Plate size: 09
• Plate thickness: T3
• Form: Square 90°

Designs / Special features

• Coating: Tiger‑tec Gold
• Grade: WKK25G
• Chipbreaker: A57
• Tolerance class: M
• Material group: cast iron (K)

FAQ

What materials is this insert best suited for?
The SDMW09T320-A57 WKK25G milling insert by Walter Tools is optimised for cast iron (material group K) and designed to handle the abrasive nature and short, brittle chips typical of these alloys.

How does the Tiger‑tec Gold coating benefit tool life?
Tiger‑tec Gold on the WKK25G grade improves resistance to abrasive wear and thermal loading, which extends service life and reduces the frequency of tool replacements during cast iron milling.

Can this insert be used for finishing operations?
The SDMW09T320-A57 WKK25G is primarily targeted at productive roughing and semi-finishing in cast iron; geometry and chip control make it suitable for stable semi-finish passes depending on machining strategy.

What are the key geometry values to consider when programming a job?
Important reference values include the 15° clearance angle, 2 mm corner radius and square 90° form; these influence engagement, cutter path planning and achievable surface quality.

Is the insert compatible with standard Walter toolholders?
The insert follows standard indexable insert dimensions and tolerance class M, enabling secure seating in compatible Walter toolholders for repeatable mounting and interchangeability.

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

Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only. There is no affiliation between our company and the mentioned brands. The item offered is an original brand‑new product of the manufacturer Walter Tools.