XNMF090612-D27 WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold wear resistance and a WKK25G grade tuned for abrasive cast iron to keep machining stable and productive; order the XNMF090612‑D27 WKK25G milling insert directly via Metav Werkzeuge or ask the consultants for application advice.

XNMF090612‑D27 WKK25G milling insert for cast iron – Walter Tools

The XNMF090612‑D27 WKK25G is a negative‑relief milling insert designed for efficient machining of cast iron, offering robust edge support and optimised chip formation for demanding production environments.

• Tiger‑tec Gold coating for high wear resistance
• Optimised for abrasive cast iron machining
• 0° negative relief for robust edge support
• Stable chip control with D27 chipbreaker

Consistent results when machining cast iron

The combination of the WKK25G grade and the Tiger‑tec Gold coating delivers a measurable improvement in tool life when facing abrasive grey and nodular cast irons. The grade is formulated to resist abrasive wear and manage short, breaking chips typical of cast materials; this yields longer intervals between indexings and fewer unscheduled tool changes. As a result, cycle times remain predictable and throughput is maintained even in continuous production runs.

Improved process reliability through controlled chip formation

A dedicated chipbreaker D27 and the insert’s negative 0° relief are designed to secure the cutting edge under heavy engagement, reducing vibrations and preventing edge chipping. Controlled chip formation lowers the risk of re-cutting and improves surface finish, which benefits downstream processes and reduces rework. The insert’s stable cutting behaviour supports higher feed rates where the workpiece and machine permit, translating into better productivity per tool.

Practical technical attributes for straightforward integration

The insert is supplied in the ISO designation XNMF090612‑D27 WKK25G and matches common toolholders used in industrial milling. Key attributes such as the 1.2 mm corner radius and standard plate size enable predictable engagement and repeatable positioning in fixtures. The negative geometry offers enhanced security of the cutting edge under interrupted cuts and tough part geometries, so set‑up routines and process documentation can be standardised across similar operations.

Application advantages for production environments

Designed primarily for the ISO group K (cast iron), the insert supports a wide range of cast materials and typical machining tasks including roughing and semi‑finishing where chip control and edge strength are decisive. The coated cemented carbide substrate extends wear resistance, while the insert form and tolerance class allow reliable interchangeability during production. For manufacturers seeking a balance of life and performance in cast iron milling, this insert provides a quantifiable improvement in process stability.

Contact Metav Werkzeuge for tailored recommendations on Walter Tools Tiger‑tec Gold inserts and guidance on optimising cutting data for specific cast iron grades; Metav Werkzeuge consultants are available to assist with selection and logistics.

Technical Data

• Article number: XNMF090612‑D27‑WKK25G‑WALTER
• Designation: XNMF090612‑D27 WKK25G
• Manufacturer: Walter Tools
• Series: Tiger‑tec Gold

Measurements

• Corner radius: 1.2 mm
• Relief angle: 0° (negative)
• Plate size: 09
• Plate thickness: 06

Materials & features

• Coating: Tiger‑tec Gold
• Grade: WKK25G
• Chipbreaker: D27
• Execution: F
• Tolerance class: M
• Suitable for: cast iron (ISO group K)

FAQ

What materials is this insert intended for?
The insert is specified for cast iron applications; the WKK25G grade and Tiger‑tec Gold coating are optimised for abrasive cast materials (ISO group K).

Can the insert handle interrupted cuts and heavy engagement?
Yes, the negative 0° relief geometry and robust edge support make the insert suitable for interrupted cuts and heavier engagement typical in roughing operations.

How does the Tiger‑tec Gold coating improve performance?
The Tiger‑tec Gold coating increases wear resistance and heat management, extending tool life and improving process stability when machining abrasive cast irons.

Which chipbreaker does the insert use and what is its benefit?
The insert features the D27 chipbreaker, which promotes short, controlled chips for safer evacuation and more consistent surface quality on cast iron workpieces.

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

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