XOEX12T308N-F-A88 WDN20 WDN20 Wendeplatten - Walter Tools

Take advantage of the WDN20 PKD grade and the F‑A88 chipbreaker combined with a robust 0.8 mm corner radius to achieve reliable, abrasion-resistant machining of non‑ferrous and abrasive materials; order or discuss technical needs via Metav Werkzeuge for seamless integration into production.

XOEX12T308N-F-A88 WDN20 — Walter Tools milling indexable insert with PKD grade and 0.8 mm corner radius

The XOEX12T308N-F-A88 WDN20 is a PKD milling insert designed for demanding machining of abrasive, non‑ferrous materials where long life and consistent edge performance are required.

• PKD grade WDN20 for abrasive materials
• 12 mm insert size for stable clamping
• 0.8 mm corner radius for edge strength
• Chipbreaker F‑A88 for controlled chip formation

Maximise uptime with a wear‑resistant PKD grade

The core advantage of this insert is its polykristalliner Diamant (PKD) grade, marketed as WDN20, which provides exceptional abrasion resistance on non‑ferrous and other abrasive materials. PKD is not a universal solution for all substrates: it delivers superior tool life and process stability when machining aluminium alloys with abrasive fillers, graphite, or certain composites. The result is fewer tool changes and more predictable cycle times, which can reduce overall production costs while maintaining surface consistency.

Consistent surface quality through engineered geometry

The combination of a 0.8 mm corner radius and the F‑A88 chipbreaker produces a balance between edge strength and chip control. A larger corner radius supports edge durability and reduces the risk of premature chipping, contributing to steady surface finish and repeatability. The chipbreaker is designed to form short, evacuable chips in interrupted or continuous cuts, improving swarf evacuation and reducing heat build‑up. These geometric choices support reliable finishing with less rework.

Practical benefits for process engineers and workshops

With a nominal 12 mm insert size and designation T3 thickness, the insert fits compact milling pockets that require a combination of rigidity and fine edge control. The format supports stable clamping and minimal vibration, which translates into improved tool life and predictable performance across batch runs. For planning purposes, suitability should be confirmed against the manufacturer’s product matrix, since the WDN20 grade excels on abrasive, non‑ferrous alloys but is not intended for standard steels or hardened materials.

Application guidance and support for implementation

For machinists and process planners, integrating this PKD insert into existing setups typically results in reduced downtime and improved throughput on abrasive workpieces. When in doubt about feed and speed recommendations, refer to the tool data sheet or contact Metav Werkzeuge for tailored cutting data and application advice. The insert’s performance is optimised when paired with appropriate cutter bodies and rigid fixturing; correct selection of coolant or dry‑cutting strategy further affects service life and surface integrity.

Contact Metav Werkzeuge for application support and to secure Walter Tools PKD inserts for abrasive non‑ferrous machining

Technical Data

• SKU: XOEX12T308N-F-A88-WDN20-WALTER
• Article designation: XOEX12T308N-F-A88 WDN20
• Type: Milling indexable insert
• Manufacturer: Walter Tools

Facts

• Insert size: 12 mm
• Corner radius: 0.8 mm
• Thickness: T3
• Tolerance class: E

Special features

• Grade: WDN20 (PKD)
• Chipbreaker: F‑A88
• Series: Walter Schneidstoffsorte - Serie offen
• Designation without grade: XOEX12T308N-F-A88

FAQ

What materials is this insert best suited for?
The WDN20 grade is a PKD formulation intended primarily for abrasive, non‑ferrous materials; suitability should be checked against the product matrix for specific alloys and composites.

How does the chipbreaker F‑A88 influence machining?
The chipbreaker F‑A88 promotes controlled chip formation and evacuation, reducing heat and supporting consistent surface finish when using the WDN20 PKD insert.

Can this insert be used on steel or hardened parts?
WDN20 (PKD) is focused on non‑ferrous and abrasive substrates; it is generally not recommended for standard steels or hardened materials—consult the product matrix before use.

What does the 0.8 mm corner radius mean for finishing?
A 0.8 mm corner radius increases edge strength and reduces chipping, delivering improved repeatability and a reliable surface finish in interrupted or finishing cuts.

Which cutter bodies accept this insert format?
The insert is a standard 12 mm format designed for compatible milling cutters; verify pocket compatibility and clamping method with the cutter body manufacturer.

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

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