RDMX07T1M0-D57 WKK25G WKK25G Wendeplatten - Walter Tools

Benefit from the Tiger·tec Gold coating, the round geometry and the 15° clearance for controlled chip formation and consistent tool life; combine these strengths for reliable cast iron milling and contact Metav Werkzeuge for process support or ordering.

RDMX07T1M0-D57 WKK25G — round milling indexable insert, Tiger·tec Gold, for cast iron (Walter Tools)

The RDMX07T1M0-D57 WKK25G is a round milling insert engineered for efficient machining of cast iron, offering a coated carbide grade tuned for abrasive materials and consistent performance in serial production

• Tiger·tec Gold coated for long tool life
• Optimised for abrasive cast iron machining
• Round insert design for versatile milling
• 15° clearance angle for stable cutting

Consistent productivity when machining cast iron

The combination of the WKK25G grade and the Tiger·tec Gold coating provides a balance between wear resistance and toughness that is particularly effective on cast iron. This composition reduces flank wear under the short, breaking-chip conditions typical for grey and nodular cast irons, so tool changes become less frequent and uptime increases. For production environments seeking repeatable results, the insert’s engineered surface treatment supports longer intervals between regrinds and contributes to a more predictable process cycle.

Coating and grade explained for confident tooling decisions

The coated carbide grade is designed to resist abrasive wear while maintaining edge robustness. In practical terms, the Tiger·tec Gold layer acts as a thermal and mechanical barrier that delays coating delamination and substrate abrasion. This means the insert keeps a usable cutting edge for longer, which translates into fewer interruptions, lower tooling consumption and improved cost-efficiency per part. For users unfamiliar with coating technology: the coating reduces direct contact between chip and substrate, limiting heat build-up and abrasive attack during each cutting pass.

Geometry and chip control for stable milling processes

The round form and the D57 chipbreaker are configured to offer stable chip formation and smooth engagement during peripheral and face milling. The round shape allows economical indexation and multi-directional use, which enhances flexibility in fixture layouts. The 15° clearance reduces rubbing at the flank and lowers cutting forces, supporting vibration damping and improved surface finish. Together, these geometric choices contribute to predictable tool behaviour, especially when cutting interrupted surfaces or variable wall sections typical in cast-iron components.

Application scope and operational benefits

Designed primarily for the ISO group K, this insert suits a range of cast-iron machining tasks where abrasive wear is the dominant challenge. The format with plate size 07 and thickness T1 gives a compact yet robust option for medium-duty milling cutters. Operators will find the grade effective in serial production and batch runs, where reliability, reduced tool change frequency and consistent part quality are priorities. When integrated into a controlled process, the insert supports higher overall productivity and a clearer cost-per-component calculation.

For detailed process recommendations on the RDMX07T1M0-D57 WKK25G or to discuss integration into an existing machining setup, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to speak with a consultant

Technical data

• SKU: RDMX07T1M0-D57-WKK25G-WALTER
• Designation: RDMX07T1M0-D57 WKK25G
• Manufacturer: Walter Tools
• Series: Tiger·tec Gold
• Sort: WKK25G
• Material group: K
• Form: Round

Facts

• Clearance angle: 15°
• Plate size: 07
• Plate thickness: T1
• Tolerance class: M

Special features

• Coating: Tiger·tec Gold
• Substrate: coated carbide
• Chipbreaker: D57
• Application: cast iron machining
• Execution: X

FAQ

What materials is this insert designed to machine?
The RDMX07T1M0-D57 WKK25G is tailored for cast iron applications (ISO group K), optimised for abrasive, short-chipping cast materials.

How does the Tiger·tec Gold coating improve performance?
Tiger·tec Gold increases wear resistance and thermal stability on the coated carbide, allowing the insert to maintain cutting edge integrity longer during abrasive cast-iron operations.

Can the round shape be indexed multiple times for extended use?
Yes, the round insert geometry supports multiple index positions, enabling extended service life through economical rotation.

What does the chipbreaker D57 provide in practice?
The D57 chipbreaker promotes controlled chip formation and evacuation, which helps maintain surface quality and reduces the risk of chip-related interruptions.

Is this insert suitable for heavy interrupted cuts?
The combination of the WKK25G grade and the insert’s geometry offers a robust option for many interrupted cutting scenarios in cast iron, enhancing process stability.

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

The Walter brand is a registered trademark of its respective owner. Protected trademarks and product names are used solely for descriptive purposes. There is no affiliation between our company and the trademark owners. The offered article is an original, factory-new product of the manufacturer.