ROHX2006M08-A57 WKK25G WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold coating, a dedicated WKK25G grade optimised for abrasive cast iron and the A57 chipbreaker to achieve reliable, repeatable machining of cast components; order the insert directly via Metav Werkzeuge or ask the consultants for an on-machine process recommendation.

ROHX2006M08-A57 WKK25G – Milling indexable insert for cast iron by Walter Tools

ROHX2006M08-A57 WKK25G is a round milling indexable insert designed for productive machining of cast iron parts in series production and repair applications

• Coated carbide Tiger‑tec Gold
• Optimised for cast iron (ISO K)
• Round insert, 20 mm diameter
• A57 chipbreaker for short chips

Consistent wear performance for abrasive materials

The Tiger‑tec Gold coating combined with the WKK25G carbide grade delivers improved resistance to abrasive wear commonly encountered when machining cast iron. The multilayer CVD/PVD-style coating and the carbide substrate are engineered to slow flank wear and maintain a stable cutting edge, which translates directly into longer tool life and fewer index changes. For production environments where downtime impacts output, this enhanced durability supports higher throughput and predictable tool-change intervals.

Reliable chip control reduces machine downtime

The integrated A57 chipbreaker is shaped to create short, controlled chip forms when working with brittle cast materials. Short chips minimise entanglement and evacuation issues, reduce the risk of surface damage, and improve process stability. Combined with the insert’s round geometry, the chip control promotes smoother feed transitions and consistent cutting forces, which helps to protect spindle bearings and fixtures while lowering the frequency of manual chip clearing.

Geometry and dimensions for flexible milling strategies

The insert’s round form and the 20 designation offer multi-directional entry capability and a forgiving contact zone for interrupted cuts or varying approach angles. The plate thickness 06 and tolerance class H indicate a robust seat fit and repeatable positioning in standard milling cutter bodies. This geometry supports both shoulder and face milling operations where cast iron components require rapid metal removal with manageable surface quality.

Practical benefits for shop-floor efficiency

Choosing this coated indexable insert means a pragmatic balance of tool life and process security: the grade is tuned for cast iron’s abrasive nature, the coating reduces wear escalation, and the chipbreaker eases post-process cleaning. For production engineers the result is fewer unscheduled tool changes and a more consistent surface finish across batches. Integration into existing toolholders is straightforward owing to the standard iso-style designation and round‑insert compatibility.

Application notes and material suitability

The insert is explicitly allocated to the ISO material group K (cast iron); it is therefore recommended for grey and nodular cast iron grades where short, brittle chips predominate. The WKK25G grade is particularly appropriate where abrasive constituents in the cast structure would otherwise accelerate edge wear. For mixed‑material workpieces or where a different surface finish is required, selection of an alternative grade or geometry may be advisable.

Geschützte Markenzeichen und Warenbezeichnungen liegen im Recht ihrer jeweiligen Eigentümer. Markennamen und geschützte Warenzeichen werden ausschließlich zu Erklärungszwecken genannt. Es besteht keinerlei Verbindung zwischen unserem Unternehmen und den genannten Marken. Es handelt sich bei dem angebotenen Artikel um originale fabrikneue Waren des Herstellers Walter Tools.

For application advice and to specify the right Tiger‑tec Gold insert for a given cast‑iron process, contact Metav Werkzeuge for tailored recommendations at info@metav-werkzeuge.com or call +49 2822 7131930 – Metav Werkzeuge can support grade selection and cutter setup for immediate implementation.

Technical data

• SKU: ROHX2006M08-A57-WKK25G-WALTER
• Designation: ROHX2006M08-A57 WKK25G
• Brand: Walter Tools
• Series: Tiger‑tec Gold
• Grade: WKK25G

Core dimensions

• Shape: Round
• Size: 20
• Thickness: 06
• Chipbreaker: A57
• Tolerance class: H

Features / Applications

• Coating: Tiger‑tec Gold (coated carbide)
• Material application: Cast iron (ISO K)
• Execution: X
• Plate family: ROHX2006M08-A57

FAQ

Is this insert suitable for cast iron machining?
Yes. The ROHX2006M08-A57 WKK25G insert is specifically developed for the ISO K material group and is optimised for machining cast iron.

What does the WKK25G grade signify?
WKK25G is Walter Tools’ coated carbide grade within the Tiger‑tec Gold family, formulated to resist abrasive wear common in cast iron applications.

How does the A57 chipbreaker help on the shop floor?
The A57 chipbreaker produces short, controlled chips when machining brittle cast materials, reducing chip entanglement and improving process reliability.

What are the key geometric details to check before fitting?
Confirm the round insert form, 20 size and 06 thickness match the cutter body; also ensure the tolerance class H corresponds to the seat specifications of the toolholder.

Can this insert be used for interrupted cuts on rough cast surfaces?
Yes. The round geometry and the grade’s wear resistance make the insert suitable for interrupted cutting encountered on rough cast surfaces, while the chipbreaker supports stable chip evacuation.

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