ODMW050408T-A27 WKK25G Wendeplatten - Walter Tools

Take advantage of the WKK25G Tiger·tec Gold cutting grade and the A27 chipbreaker for reliable machining of cast iron; the octagonal form and 0.8 mm corner radius deliver consistent edge life and predictable performance. Order the inserts directly via Metav Werkzeuge or consult the Metav team for application-specific advice.

ODMW050408T-A27 WKK25G milling indexable insert by Walter Tools — Tiger·tec Gold, for cast iron, A27 chipbreaker

ODMW050408T-A27 WKK25G is a milling indexable insert designed for productive machining of cast iron components, combining a Tiger·tec Gold grade with an A27 chipbreaker and octagonal geometry.

• Tiger·tec Gold cutting grade WKK25G
• Optimised for cast iron machining
• A27 chipbreaker for reliable chip control
• 15° clearance for stable engagement
• 0.8 mm corner radius for extended edge life

Stable chip control reduces interruptions and protects the process

The Tiger·tec Gold WKK25G grade is formulated for the abrasive nature of cast iron, offering improved wear resistance compared with uncoated grades. The A27 chipbreaker actively shapes and breaks chips into manageable lengths, reducing the risk of entanglement and machine stoppages. This combination results in fewer interruptions, more predictable cycle times and a measurable gain in machining throughput. Coated carbide construction ensures the insert withstands high local temperatures and abrasive contact typical of cast materials.

Predictable edge life for consistent quality and lower tooling costs

An 0.8 mm corner radius distributes cutting forces over a larger area, which delays flank wear and reduces the frequency of indexings. The octagonal geometry enables multiple indexing positions, extending the effective life per insert and lowering tooling spend per component. The 15° free angle reduces axial engagement, stabilising cutting forces and improving surface finish on interrupted cuts. Together, these geometric features support repeatable results and minimise process variation in daily production.

Faster setup and easier machining decisions on the shop floor

The ISO-style designation and standard form factor make the insert straightforward to fit into existing milling holders and tool bodies. As an indexable insert, it removes the need for resharpening and simplifies inventory management: worn edges are rotated or replaced quickly, restoring cutting performance within minutes. The coated hardmetal composition and grade classification provide a clear reference for selecting cutting data, allowing machinists to adopt conservative starting parameters and ramp up to productive feeds and speeds with confidence.

Where this insert adds most value in production

This insert is especially suitable for cast iron roughing and semi-finishing operations where short, breaking chips and abrasive wear are common. The combination of Tiger·tec Gold coating, A27 chip control and robust geometry delivers reliable cutting edges under interrupted conditions, improving process security and part quality. For manufacturers seeking lower downtime, consistent surface integrity and an economical cutting edge solution, this insert supports higher uptime and a stable production rhythm.

For application guidance or to acquire Walter Tools Tiger·tec Gold inserts, please contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for tailored recommendations and availability.

Technical data

• Article number: ODMW050408T-A27-WKK25G-WALTER
• Article designation: ODMW050408T-A27 WKK25G
• Manufacturer: Walter Tools
• Product type: Milling indexable insert
• Execution: W

Facts

• Free angle: 15°
• Corner radius: 0.8 mm
• Plate size: 05
• Plate thickness: 04
• Tolerance class: M

Special features

• Cutting grade: Tiger·tec Gold WKK25G
• Chipbreaker: A27
• Plate form: octagonal
• Coated carbide (coated hardmetal)
• Application focus: cast iron machining (K)
• Series: Tiger·tec Gold

FAQ

Which materials is this insert intended for?
The ODMW050408T-A27 WKK25G insert from Walter Tools is engineered primarily for cast iron (material group K), with the WKK25G grade tuned to resist abrasive wear typical of those workpieces.

What is the purpose of the A27 chipbreaker?
The A27 chipbreaker on this insert controls chip formation and breaks chips into short, manageable lengths, improving swarf evacuation and reducing the risk of chip-related interruptions.

How do the geometry parameters affect performance?
The octagonal form and 0.8 mm corner radius spread cutting loads and enable multiple indexings, while the 15° free angle reduces axial stress—together these features enhance edge life and process stability.

Is the insert coated and what benefit does that give?
Yes, the insert uses the Tiger·tec Gold coating technology; the coating increases wear resistance and thermal stability, extending tool life during abrasive cast iron machining.

Can this insert be used in standard milling holders?
The ISO-style designation and standard form make the insert compatible with common milling tool bodies accepting this geometry and size.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and trademarks are mentioned solely for explanatory purposes. There is no connection between our company and the named brands. The offered article is original factory-new goods of the manufacturer Walter Tools.