RDMX12T3M0T-A27 WPP35G WPP35G Wendeplatten - Walter Tools

Take advantage of a Tiger·tec Gold coated carbide grade with a WPP35G composition and an optimised A27 chipbreaker for reliable steel machining; order directly via Metav Werkzeuge or consult our specialists for tailored cutting data.

RDMX12T3M0T-A27 WPP35G indexable milling insert — Tiger·tec Gold coated carbide for steel, round Ø12, Walter Tools

The RDMX12T3M0T-A27 WPP35G is a round indexable insert engineered for milling steel, offering a combination of wear-resistant coating and a chipbreaker geometry tailored to stable chip formation in general-purpose and tougher machining tasks

• Tiger‑tec Gold coated carbide grade WPP35G
• Optimised A27 chipbreaker for steel machining
• 15° clearance angle for consistent chip flow
• Round insert Ø12 with T3 thickness for stability

High-performance grade engineered for steel productivity

The insert is based on the WPP35G grade within the Tiger·tec Gold family, a coated carbide formulation designed specifically for ISO group P (steel). The coating improves surface hardness and thermal resistance, which translates into longer tool life and fewer changeovers in serial production. By adopting a grade tuned to the heat and chip characteristics of steel, the component enables a more predictable machining process and reduced scrap rates compared with uncoated or general-purpose alternatives.

Chip control and geometry that improve cycle stability

A central benefit of the round design is repeatable chip formation: the A27 chipbreaker combines with the 15° clearance angle to channel chips away from the cutting zone and reduce re-cutting. This geometry supports a steady cut and helps to preserve the cutting edge under variable feed conditions, which is particularly useful in interrupted milling or mixed batch work. The result is improved surface finish and lower spindle load peaks, allowing higher average feeds while maintaining process security.

Robustness, tolerance and consistent edge performance

Constructed to a tolerance class M and a thickness of T3, the insert offers mechanical stability that aids repeatability across pockets and tool bodies. The round shape with a nominal diameter of 12 mm gives multiple indexed positions, so each insert provides several usable edges. This geometry, combined with the coated grade, yields good wear resistance and stable dimensional results across runs, supporting steady productivity and fewer toolholders to manage.

Practical application and compatibility in workshop setups

The insert is suitable for milling a wide range of steels including unalloyed and alloyed steels as defined by ISO P, making it a versatile choice for general machining shops and production environments. It is intended for use in standard indexable milling cutters accepting round inserts and can be combined with common tool clamping systems. The manufacturing grade is optimised to balance toughness and wear resistance, offering a reliable compromise when facing mixed steel batches or varying cutting conditions. The RDMX12T3M0T-A27 WPP35G performs well in both continuous and moderately interrupted milling operations.

For process-secure milling with Walter Tools' Tiger·tec Gold grade, contact Metav Werkzeuge for precise cutting data and ordering via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: RDMX12T3M0T-A27-WPP35G-WALTER
• Label: Fräswendeschneidplatte RDMX12T3M0T-A27 WPP35G Walter Tools
• Product type: Indexable milling insert

Facts

• Insert diameter: 12 mm
• Clearance angle: 15°
• Thickness: T3
• Tolerance class: M

Special features

• Round insert geometry
• Chipbreaker: A27
• Coated carbide, Tiger·tec Gold technology
• Grade: WPP35G
• Material application: Steel (ISO P)
• Execution: X

FAQ

Which steels are best machined with this insert?
The RDMX12T3M0T-A27 WPP35G is designed primarily for ISO group P materials, meaning unalloyed and alloyed steels; the WPP35G grade balances wear resistance and toughness for common steel machining tasks.

What advantages does the Tiger·tec Gold coating provide?
Tiger·tec Gold coating on the WPP35G grade increases thermal stability and surface hardness, resulting in improved tool life and more consistent performance when machining steel.

How does the A27 chipbreaker influence cutting?
The A27 chipbreaker promotes controlled chip formation and evacuation, which reduces the risk of built-up edge and enhances surface finish during both continuous and interrupted milling.

Is the insert suitable for cutters with indexable round pockets?
Yes, the round geometry and Ø12 size make the insert suitable for milling cutters designed for round indexable inserts, providing multiple indexing positions per insert.

What are the key dimensional and tolerance details?
Expect a 12 mm nominal diameter, T3 thickness and clearance angle of 15° with tolerance class M for consistent seating and repeatability.

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

The Walter AG (marketed as 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 trade names belong to their respective owners. Brand names and registered trademarks are mentioned solely for explanation. There is no affiliation between our company and the mentioned brands. The offered item is an original, factory-new product from the manufacturer.