XNMU0906ANN-F27 WKK25G WKK25G Wendeplatten - Walter Tools

Take advantage of a durable Tiger·tec Gold coating and a robust chipbreaker design to deliver consistent machining of cast iron parts. The combination of the Walter carbide grade and a 0° negative rake ensures reliable edge stability and repeatable performance in demanding milling operations. Order directly via Metav Werkzeuge or contact our consultants for specification support and availability.

Milling insert XNMU0906ANN-F27 WKK25G – Tiger·tec Gold coating, 0° negative rake (cast iron) by Walter Tools

A high-performance milling insert, XNMU0906ANN-F27 WKK25G, designed for efficient, reproducible machining of cast iron components in production and repair environments.

• Tiger·tec Gold coating for long tool life
• Optimised for cast iron machining
• 0° negative rake for robust cutting
• Chipbreaker F27 for stable chip control

Longer tool life thanks to advanced coating technology

The Tiger·tec Gold coating together with the WKK25G grade provides a wear-resistant surface that significantly slows flank and crater wear during interrupted cuts. This coated carbide combination is specifically adapted to the abrasive and often brittle chips produced when machining cast iron, which means fewer insert changes and less unscheduled downtime. The result is a more predictable process and reduced tooling consumption per component.

Consistent cutting performance and edge stability

A 0° negative rake geometry delivers a more stable cutting edge under heavy loads and interrupted cutting typical for cast iron workpieces. The chipbreaker F27 reliably shapes shorter, controllable chips that evacuate easily, improving surface finish and reducing the risk of re-cutting. These technical choices translate into higher process security and consistent part quality in serial milling tasks.

Economical machining through reproducible results

By combining a tailored carbide grade and proven coating technology, the insert supports both efficient cycle times and long stand time. The WKK25G composition is optimised for the abrasive nature of cast iron, so the performance is less sensitive to small variations in cutting conditions. This predictability reduces scrap rates and makes cost-per-part calculations more favourable for medium to large production runs.

Practical integration in workshop and production environments

The insert is supplied in the standard XNMU0906ANN-F27 designation and fits into established milling tool systems that accept the size‑09, thickness‑06 format and tolerance class M. Its negative rake and chipbreaker geometry work well in roughing and semi-finishing operations where stability and chip control are priorities. For best results, pair the insert with a cutter body specified for this ISO-style geometry and verify seat and clamping compatibility before series production.

For dependable cast iron milling performance with Walter Tools’ Tiger·tec Gold reliability, contact Metav Werkzeuge for technical advice and current availability: info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• SKU: XNMU0906ANN-F27-WKK25G-WALTER
• Designation: XNMU0906ANN-F27
• ISO designation: XNMU0906ANN-F27 WKK25G
• Series: Tiger·tec Gold
• Grade: WKK25G

Facts

• Insert size: 09
• Thickness: 06
• Rake angle: 0° negative
• Chipbreaker: F27
• Tolerance class: M

Special features

• Coating: Tiger·tec Gold (coated carbide)
• Optimised for cast iron machining
• Execution: U

FAQ

Which materials is this insert intended for?
The WKK25G grade and Tiger·tec Gold coating are tuned for cast iron, making the insert particularly suitable for abrasive, brittle materials and ensuring controlled chip formation during milling.

How does the 0° negative rake affect machining?
A 0° negative rake increases edge robustness and resistance to impact during interrupted cuts; this geometry is why many workshops rely on this insert for stable roughing and semi-finishing in cast iron applications.

Is the XNMU0906ANN-F27 compatible with standard holder systems?
The insert follows the common ISO-style designation and fits cutter bodies designed for the XNMU0906ANN family and size 09 inserts; always check seat compatibility and clamping before series use.

What benefits does the Tiger·tec Gold coating deliver?
Tiger·tec Gold reduces abrasive wear and enhances thermal resistance, contributing to longer, more predictable tool life and more consistent surface quality on cast iron components.

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

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