P4840P-7R-A57 WKP35S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating and the WKP35S grade for reliable performance when drilling and boring steels and cast irons; the optimised 7R‑A57 chipbreaker improves chip control and process stability. Order the insert through Metav Werkzeuge or consult their technical advisers for application-specific recommendations.

P4840P-7R-A57 WKP35S — Bohr-/Aufbohrwendeschneidplatte by Walter Tools (Tiger·tec Silver, for steel & cast iron)

The P4840P-7R-A57 WKP35S is a purpose-designed indexable insert for drilling and boring operations, combining a coated‑carbide grade from the Tiger·tec Silver family with an optimised 7R‑A57 chipbreaker for machining steel and cast iron.

• Tiger·tec Silver coating for extended life
• Optimised 7R‑A57 chipbreaker for chip control
• Suitable for steel and cast iron machining
• Robust grade WKP35S for reliable productivity

Consistent cutting performance for steel and cast iron

The insert delivers stable cutting when machining ISO group P (steel) and K (cast iron) materials. The WKP35S grade is a coated carbide composition engineered to cope with the heat generation and chip behaviour typical of steels, while remaining abrasion-resistant for cast‑iron applications. This combination reduces tool changes and supports predictable cycle times, which in turn aids planning and productivity in small‑batch and series production.

Coating technology that extends tool life and process reliability

The Tiger·tec Silver coating technology improves wear resistance and thermal stability, contributing to longer tool life and consistent surface finish. In practice, the coating helps maintain a stable cutting edge under the thermal loads encountered during drilling and boring, reducing flank wear and the risk of edge breakdown. For production environments where repeatability matters, the coated grade helps to sustain component quality over longer tool intervals.

Optimised chip control reduces interruptions and improves safety

An effective chip control geometry is a decisive factor in drilling and boring. The 7R‑A57 chipbreaker is tuned to produce short, manageable chips in both steels and cast irons, lowering the risk of chip entanglement and tool‑holder interference. By improving chip evacuation, the geometry contributes to uninterrupted machining and reduces secondary handling, supporting safer and more efficient shopfloor operations.

Practical advantages for workshop and production planning

Using this insert in a standard drilling/boring toolbody simplifies inventory and process choices: the P4840P‑7R‑A57 WKP35S combines a universal material range with a stable cutting geometry. For production engineers, that means fewer tool variants to qualify and consistent results across a range of workpiece alloys. The insert’s characteristics support predictable wear behaviour and enable maintenance of tolerances without excessive rework.

Contact Metav Werkzeuge for tailored application advice or to request a cutting‑test recommendation for the Tiger·tec Silver WKP35S inserts, and benefit from their product expertise and immediate availability.

Technical Data

• Article number: P4840P-7R-A57-WKP35S-WALTER
• Designation: P4840P-7R-A57 WKP35S
• Product type: Bohr-/Aufbohrwendeschneidplatte
• Manufacturer: Walter Tools

Facts

• Series: Tiger·tec Silver
• Grade: WKP35S
• Chipbreaker: 7R-A57
• Applicable ISO groups: P, K

Special features

• Coated carbide grade
• Designed for steel (P) and cast iron (K)
• Geometry optimised for chip control
• Suitable for drilling and boring applications

FAQ

What materials is this insert suitable for?
The P4840P-7R-A57 WKP35S insert by Walter Tools is specified for ISO groups P (steel) and K (cast iron), making it appropriate for a broad range of steels and cast‑iron components.

How does the Tiger·tec Silver coating benefit production?
The Tiger·tec Silver coating on the WKP35S grade enhances wear resistance and thermal stability, which helps maintain the cutting edge and supports longer, more predictable tool life in drilling and boring operations.

Which chip behaviour can be expected with the 7R‑A57 geometry?
The 7R‑A57 chipbreaker is designed to generate short, controllable chips in both steels and cast irons, improving evacuation and reducing the risk of chip jams during machining with the P4840P-7R-A57 WKP35S insert.

Is this insert suitable for high‑volume production?
Yes—the combination of a robust coated‑carbide grade and an optimised chipbreaker provides the process reliability required for extended production runs with consistent surface quality.

Manufacturer/Responsible: AB Sandvik Coromant, Mossvägen 10, 811 34 Sandviken, Sweden, support.coromant@sandvik.com

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking and is part of the Sandvik group. Protected trademarks and brand names remain the property of their respective owners. Brand names and protected designations are mentioned exclusively for explanation. There is no affiliation between our company and the named brands. The offered item is an original, factory‑new product from the manufacturer.