ONMU050408-D57 WKP35G Wendeplatten - Walter Tools

Benefit from high process reliability and consistent tool life with the Tiger‑tec Gold grade and the robust WKP35G coating; the octagonal form and 0.8 mm corner radius support stable chip control in steel and cast iron. Order directly via Metav Werkzeuge or request advice from our consultants for optimal tool selection.

Milling indexable insert ONMU050408-D57 WKP35G — Tiger‑tec Gold for steel and cast iron | Walter Tools

ONMU050408-D57 WKP35G is a coated carbide milling insert designed for productive finishing and semi‑finishing in steel (P) and cast iron (K), featuring an octagonal form and a chipbreaker optimised for reliable machining

Tiger‑tec Gold coating for long life
WKP35G grade for steel and cast iron
Octagonal insert with 0.8 mm corner radius
Negative 0° rake for robust milling

Efficient machining through proven grade and coating

The combination of the Tiger‑tec Gold series and the WKP35G grade delivers a balanced performance for demanding milling tasks in steel and cast iron. The coated carbide substrate enhances wear resistance and thermal stability, which translates into longer tool life and fewer index changes. For manufacturing operations chasing uptime and repeatable part quality, this specification supports a lower cost per cut by reducing unplanned interruptions and enabling stable cutting parameters even under challenging chip formation conditions.

Stable cutting geometry for consistent surface quality

The octagonal plate form with a 0.8 mm corner radius and a dedicated D57 chipbreaker creates predictable chip flow and surface finish during shoulder and face milling. The negative 0° rake increases edge robustness, making the insert particularly suitable for interrupted cuts and mixed batch production where tool edge security matters. Engineers evaluating process windows will appreciate that the geometry reduces the sensitivity to minor fixture or material variances, keeping tolerances within expected ranges and improving first‑pass yield.

Application guidance and process advantages

This insert is tailored for use on unalloyed and alloyed steels as well as grey and nodular cast irons, meeting ISO 513 group classifications P and K. Thanks to its coated design and tolerance class M, the tool supports productive cutting at higher speeds or feed per tooth where appropriate, while preserving edge life. For toolroom and shop‑floor staff unfamiliar with coating technologies: a coated insert like this provides a thin protective layer that reduces abrasive wear and adhesion, which in practice means fewer tool changes and more consistent component surfaces across production runs.

Contact Metav Werkzeuge today to discuss how this Walter Tools Tiger‑tec Gold insert can improve cycle times and tool life for specific applications, or to arrange a tailored recommendation from our technical team

Technical Data

• Article number: ONMU050408-D57-WKP35G-WALTER
• SKU / Label: Fräswendeschneidplatte ONMU050408-D57 WKP35G
• Manufacturer: Walter Tools
• Product type: Milling indexable insert

Facts

• Series: Tiger‑tec Gold
• Grade: WKP35G
• Plate size code: 05
• Plate thickness code: 04
• Corner radius: 0.8 mm
• Clearance angle: 0° (negative)
• Chipbreaker: D57
• Tolerance class: M

Special features

• Coated carbide cutting grade
• Suitable for steel (P) and cast iron (K)
• Octagonal insert shape
• Robust edge for interrupted cuts
• Optimised chip control for stable surface finish

FAQ

What materials can this insert machine effectively?
The ONMU050408-D57 WKP35G insert from Walter Tools is designed for steel (ISO group P) and cast iron (ISO group K), offering reliable performance on both material classes.

How does the Tiger‑tec Gold coating benefit production?
The Tiger‑tec Gold coating on the WKP35G grade improves wear resistance and thermal stability of the insert, which in turn increases stand time and reduces index changes during continuous production.

Why choose a 0° negative rake for milling?
A 0° negative rake provides a stronger cutting edge and better resistance to chipping during interrupted cuts, which makes this insert suitable for mixed or unstable machining conditions.

What role does the D57 chipbreaker play?
The D57 chipbreaker is engineered to control chip formation and evacuation, helping to maintain consistent surface quality and prevent excessive built‑up edge when machining steels and cast irons.

Is this insert compatible with standard toolholders for ONMU‑style plates?
This insert follows the ONMU050408‑D57 designation and is intended for corresponding milling toolholders that accept the ONMU indexable insert geometry; ensure holder compatibility before assembly.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is among the world’s leading manufacturers of precision tools for metalworking. Protected trademarks and trade names are the property of their respective owners. The offered article is an original, factory‑new product of the manufacturer.