RDMW1204M0T-A27 WPP35G W - Wendeplatten - Walter Tools

Take advantage of a high-performance coated carbide grade and a robust chipbreaker geometry to achieve consistent steel machining; the combination of Tiger‑tec Gold technology and a 15° clearance angle delivers reliable tool life and process stability. Order the inserts directly via Metav Werkzeuge or consult our specialists for application support.

RDMW1204M0T-A27 WPP35G — round milling indexable insert, 15° clearance (Walter Tools)

The RDMW1204M0T-A27 WPP35G is a round milling insert engineered for efficient steel machining in general-purpose and finishing operations, combining a balanced coating philosophy with a dedicated chip‑control geometry.

• Tiger‑tec Gold coating technology
• Optimised for steel (ISO P)
• 15° clearance for reliable chip flow
• Round 12 mm insert with A27 chipbreaker

Optimised performance for steel machining

The insert uses WPP35G, a coated carbide grade from the Tiger‑tec Gold series, developed specifically for machining steel (ISO P). This grade offers a purposeful balance between wear resistance and toughness, enabling stable cutting under variable conditions. The A27 chipbreaker supports reproducible chip formation and evacuation, reducing heat concentration at the cutting edge and helping to maintain dimensional consistency across medium‑duty feeds and speeds.

Geometry and tooling advantages for productive cycles

Round insert geometry provides high load distribution and is particularly forgiving in interrupted cuts or when tool path variations occur. The 15° clearance angle lowers contact on the flank face, reducing rubbing and enabling smoother engagement at the workpiece. Combined with the insert’s 12 mm nominal size and 4 mm plate thickness, the geometry is well suited to pocketing and light shoulder milling where consistent surface quality and tool life are priorities.

Practical benefits and process reliability

Using the coated grade together with the A27 chipbreaker leads to fewer tool changes and more predictable component output. The coating type reduces adhesion and abrasion, extending the interval between index changes; at the same time, the insert’s construction supports reliable repeatability in batch production. For shops seeking steady throughput and reduced setup overhead, this insert contributes to lower lifecycle machining costs and improved uptime.

Application guidance and compatibility pointers

The insert is designated for standard toolholders that accept the RDMW‑series round inserts; its tolerance class M ensures consistent fit and performance in compatible cutters. While optimised for steels, the grade is intended for typical P‑group applications—unalloyed and alloyed steels—where thermal and chip‑forming characteristics are those most commonly encountered during finishing and medium‑duty roughing. For specific holder compatibility or machining parameters, please consult Metav Werkzeuge’s technical advisers.

Contact Metav Werkzeuge for application advice, stock availability and tailored recommendations for Walter Tools RDMW1204M0T-A27 WPP35G inserts

Technical data

• SKU: RDMW1204M0T-A27-WPP35G-WALTER
• Article: RDMW1204M0T-A27 WPP35G
• Manufacturer: Walter Tools
• Product type: Milling indexable insert
• Series: Tiger‑tec Gold

Core specifications

• Insert shape: Round
• Nominal size: 12 mm
• Thickness: 4 mm
• Clearance angle: 15°
• Chipbreaker: A27
• Tolerance class: M

Materials & features

• Grade: WPP35G
• Coating/technology: Tiger‑tec Gold
• Substrate: Coated carbide
• Application group: ISO P (steel)
• Execution: W

FAQ

Is this insert suitable for stainless steel?
No. The insert is specified for ISO P applications and is optimised for steel; it is not designated for stainless (rostfreier Stahl) machining.

What machining tasks does this grade suit best?
The WPP35G grade is intended for general steel machining, offering a balance of wear resistance and toughness for finishing and medium‑duty operations with reliable chip control.

Will the insert fit standard RDMW‑style toolholders?
The RDMW1204M0T‑A27 geometry is compatible with toolholders designed for RDMW round inserts; tolerance class M supports consistent seating in suitable cutters.

How does the A27 chipbreaker affect productivity?
The A27 chipbreaker promotes controlled chip formation and evacuation, reducing heat build‑up and enabling longer, more predictable tool life in steel machining.

Can Metav Werkzeuge provide cutting data for this insert?
Yes. Metav Werkzeuge’s consultants can recommend cutting parameters and holder recommendations for the Walter Tools RDMW1204M0T‑A27 WPP35G insert based on the specific application.

Manufacturer: Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany

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