LDMW08T204R-A57 WKP25S Wendeplatten - Walter Tools

Taking advantage of the Tiger·tec Silver coating and the WKP25S grade delivers consistent tool life and reliable chip formation in mixed production runs; combined with the A57 chipbreaker and the 15° relief geometry this insert supports productive machining of steel and cast iron. Order the LDMW08T204R-A57 WKP25S directly via Metav Werkzeuge or ask our consultants if needed.

LDMW08T204R-A57 WKP25S milling indexable insert — Tiger·tec Silver, rectangular format — Walter Tools

The LDMW08T204R-A57 WKP25S is a rectangular milling insert engineered for high-process security in the productive machining of steel and cast iron, providing stable cutting performance across varied part geometries.

• Tiger·tec Silver coating for high process security
• WKP25S grade for steel and cast iron machining
• 15° relief angle and 0.4 mm corner radius
• Rectangular 08 format with A57 chipbreaker

Reliable performance for uninterrupted production

The insert combines a coated carbide substrate with the Tiger·tec Silver technology to ensure a balance between wear resistance and edge stability. This design reduces unplanned downtime by offering predictable tool life under typical milling forces, which in turn supports consistent cycle times. The focus on geometric stability means fewer edge failures in medium-duty to heavy interrupted cuts, delivering measurable gains in shop-floor reliability.

Efficient chip control and improved surface finish

Equipped with the A57 chipbreaker, the cutting geometry is optimised for controlled chip formation, reducing the risk of long stringy chips and improving evacuation in peripheral and face milling operations. The result is an improved surface quality and reduced rework. For workshops transitioning between castings and forged parts, the insert’s chip control helps maintain process consistency and simplifies coolant and chip-management strategies.

Broad material compatibility with clear standards

The WKP25S grade is tuned for ISO groups P (steel) and K (cast iron), meaning the chemistry and coating are selected to handle the heat generation typical of steel machining and the abrasive wear common with iron. For users less familiar with ISO groupings: P indicates suitability for unalloyed and alloyed steels; K denotes cast irons. This makes the insert a versatile choice for mixed production environments where both material families occur.

Geometry and handling that save setup time

With a 15° relief and a 0.4 mm corner radius in a rectangular 08 format, the insert provides a balance between edge strength and dimensional control. The standard tolerance class M simplifies toolholder selection and replacement workflows. Handling benefits include predictable mounting behaviour in standard rectangular pockets and compatibility with holders that accept the LDMW08T204R-A57 geometry, which helps to speed changeovers and maintain accurate tool offsets.

Choose Tiger·tec Silver quality from Walter Tools — contact Metav Werkzeuge for application advice and stock information

Technical data

• SKU: LDMW08T204R-A57-WKP25S-WALTER
• Article: LDMW08T204R-A57 WKP25S
• Manufacturer: Walter Tools
• Product type: Milling indexable insert
• Series: Tiger·tec Silver

Core dimensions and data

• Relief angle: 15°
• Corner radius: 0.4 mm
• Size: 08
• Thickness: T2
• Tolerance class: M

Materials and special features

• Grade: WKP25S
• Coating technology: Tiger·tec Silver
• Chipbreaker: A57
• Shape: Rectangular
• Suitable for: Steel (P) and Cast iron (K)
• Execution: W

FAQ

What materials is this insert suitable for?
The LDMW08T204R-A57 WKP25S from Walter Tools is designed for machining steel (ISO P) and cast iron (ISO K), offering a good compromise between heat resistance for steels and abrasion resistance for castings.

How does the Tiger·tec Silver coating benefit production?
The Tiger·tec Silver coating on this milling insert increases wear resistance and edge stability, which leads to longer tool life and more consistent cycle times in medium to high cutting conditions.

Which chipbreaker is fitted and what is its effect?
The insert uses the A57 chipbreaker, engineered to produce short, controllable chips in face and peripheral milling, improving chip evacuation and resulting surface quality.

What are the key geometric features to consider for holder selection?
Important dimensions include the rectangular 08 format, relief angle of 15° and corner radius of 0.4 mm; the tolerance class M aids reproducible seating in compatible toolholders.

Is this insert suitable for interrupted cuts or heavy machining?
Yes — the combination of WKP25S grade and the coated carbide substrate provides edge strength and wear resistance that perform well in interrupted and tougher milling tasks.

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