XNHF090612-D57 WKK25G Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Gold coating and the WKK25G grade for consistent, wear-resistant performance when machining cast iron; the negative 0° rake and D57 chipbreaker ensure stable, short-chip formation for productive milling. Order the insert directly via Metav Werkzeuge or consult the technical team for application advice.

XNHF090612-D57 WKK25G Milling indexable insert for cast iron – Walter Tools

The XNHF090612-D57 WKK25G milling insert provides robust, coated-carbide performance optimised for cast iron milling in industrial production.

• Tiger·tec Gold coating for wear resistance
• Optimised for cast iron machining
• Negative 0° rake for stable cutting
• 1.2 mm corner radius for robust edge

Reliable performance on abrasive workpieces

The combination of Tiger·tec Gold coating and the WKK25G grade delivers enhanced resistance to abrasive wear, a common challenge when machining cast iron. The coated carbide composition is tailored to maintain cutting-edge integrity under intermittent contact and frequent chip breaking. This results in extended tool life and fewer tool changes, improving uptime and lowering process interruptions. The built-in chipbreaker D57 supports controlled, short-chip evacuation, which reduces the risk of workpiece damage and keeps cycle times consistent.

Stable cutting geometry for predictable results

A negative 0° rake angle provides a stable cutting geometry that favours rigidity and repeatable performance during milling operations. Combined with a 1.2 mm corner radius, the insert tolerates higher mechanical loads and delivers smoother transitions in interrupted cuts. These characteristics make the insert suitable for production environments where consistent tolerances and surface integrity are required. The tolerance class H further supports precision in seatings and toolholder interfaces, helping to maintain process control across multiple parts.

Practical advantages for process optimisation

By focusing on essential features such as the coated carbide grade and the proven Tiger·tec Gold technology, the insert contributes to predictable tool behaviour and easier process planning. The chip control strategy embedded in the design helps to avoid long, stringy chips that could foul fixtures or conveyors. With clear designation and standardised form factors, integration into existing milling programmes and tool repositories becomes straightforward, reducing setup time and simplifying tool management across batches.

Integration into production workflows

The insert’s size and thickness coding allow for uniform handling and replacement within modular tooling systems. Clear identification of series and grade assists in inventory control and reordering, while the combination of durable coating and robust geometry supports longer intervals between inspections. For process engineers, the result is a practical balance between productivity and predictable wear behaviour, enabling more reliable cycle planning and reduced downtime in cast iron machining.

Contact Metav Werkzeuge for application-tailored advice on Walter Tools Tiger·tec Gold inserts and to discuss optimal grade selection and holder compatibility via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: XNHF090612-D57-WKK25G-WALTER
• Designation: XNHF090612-D57 WKK25G
• Manufacturer: Walter Tools
• Series: Tiger·tec Gold
• Grade: WKK25G
• Application: Cast iron

Facts

• Corner radius: 1.2 mm
• Plate size: 09
• Plate thickness: 06
• Free rake angle: 0°
• Tolerance class: H
• Chipbreaker: D57

Special features

• Coating: Tiger·tec Gold
• Material: Coated carbide
• Suited for: Cast iron machining
• Optimised for abrasive wear resistance
• Stable, short-chip formation
• Designed for productive milling

FAQ

What materials is this insert intended for?
The XNHF090612-D57 WKK25G insert is designed primarily for machining cast iron, with the WKK25G grade optimised to resist abrasive wear and handle short, breaking chips.

How does the Tiger·tec Gold coating influence tool life?
The Tiger·tec Gold coating enhances wear resistance and thermal stability, which helps the tool maintain cutting performance for longer periods under the abrasive conditions typical of cast iron.

What is the effect of the negative 0° rake on machining?
A negative 0° rake provides a stiffer cutting geometry that improves stability in interrupted cuts and supports consistent edge life during heavy or variable engagement.

Can this insert be used for roughing and finishing?
The combination of the 1.2 mm corner radius and the D57 chipbreaker allows the insert to perform reliably in robust roughing operations and maintain acceptable surface integrity in less demanding finishing passes.

How does the chipbreaker D57 improve production?
The D57 chipbreaker produces short, controllable chips that reduce the risk of chip entanglement, improve evacuation, and protect fixtures and conveyors in automated production settings.

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

Trade names and trademarks are the property of their respective owners. Brand names and protected designations are used for explanatory purposes only; there is no affiliation between our company and the mentioned brands. The offered item is an original, factory-new product of the stated manufacturer.