CNMG120412-NRS WMP20S WMP20S Wendeplatten - Walter Tools

Taking advantage of the Tiger·tec Silver grade and the WMP20S cutting material, this insert delivers stable chip control and consistent edge life when machining stainless steel, helping to maintain productivity under medium to robust conditions; order the CNMG120412-NRS WMP20S directly via Metav Werkzeuge or request advice from our consultants for integration into existing turning tools.

CNMG120412-NRS WMP20S indexable turning insert — Tiger·tec Silver for stainless steel, 1.2 mm corner radius (Walter Tools)

A CNMG120412-NRS WMP20S indexable turning insert designed to provide reliable chip formation and cutting-edge stability during the machining of stainless steel under typical industrial conditions.

• Tiger·tec Silver coating technology
• Optimised for stainless steel (ISO M)
• Rhombic 80° geometry, 1.2 mm radius
• NRS chipbreaker, negative 0° relief

Consistent cutting performance for stainless steel turning

The combination of the WMP20S cutting grade and Tiger·tec Silver coating addresses the typical challenges of machining stainless steel, such as built-up edge and elevated cutting temperatures. The coating and substrate chemistry promote a stable cutting edge that supports consistent cycle times and predictable tool life. In practical terms, this translates to fewer unscheduled insert changes and improved process repeatability, which benefits small-batch runs and continuous production alike.

Geometry and chip control that reduce rework and downtime

The rhombic 80° form with a 1.2 mm corner radius and the NRS chipbreaker are engineered to support secure chip formation and efficient evacuation, especially in tougher stainless grades. The negative 0° relief angle contributes to a robust cutting edge that resists edge chipping under interrupted cuts or heavy cross-sections. These geometric features collectively reduce the risk of surface blemishes and minimise the need for secondary finishing, helping to streamline the machining workflow.

Practical integration for predictable production results

Rated for medium to robust applications on stainless steel, the insert is supplied in the standard CNMG format for compatibility with widely used turning holders. The thickness designation 04 and the CNMG120412 interface enable straightforward replacement and inventory handling across production lines. As a Walter Tools product in the Tiger·tec Silver series, the insert supports process stability and constant results, making it suitable for manufacturers aiming to balance productivity and repeatable surface quality.

Contact Metav Werkzeuge to discuss how the Tiger·tec Silver CNMG120412-NRS WMP20S insert can be integrated into current turning operations and to obtain technical guidance for specific stainless steel applications

Technical Data

• Article number: CNMG120412-NRS-WMP20S-WALTER
• Name: CNMG120412-NRS WMP20S
• Manufacturer: Walter Tools

Facts

• Shape: Rhombus 80°
• Corner radius: 1.2
• Plate size: 12
• Thickness: 04
• Relief angle: 0° (negative)

Special features

• Series: Tiger·tec Silver
• Grade: WMP20S
• Chipbreaker: NRS
• Execution: G
• Material group: M (rostfrei / stainless steel applicability)

FAQ

What kinds of stainless steel is this insert suited for?
The CNMG120412-NRS WMP20S from Walter Tools is intended for ISO M group materials and performs well on a wide range of stainless steels under medium to robust cutting conditions.

How does the NRS chipbreaker influence machining?
The NRS chipbreaker on the CNMG120412-NRS WMP20S promotes controlled chip formation and evacuation, which helps to protect the cutting edge and improves surface finish in many stainless steel turning applications.

Can this insert withstand interrupted cuts or heavy engagement?
With a negative 0° relief and a robust geometry, the Walter Tools CNMG120412-NRS WMP20S insert offers a strong cutting edge suitable for interrupted cuts and heavier radial engagement, reducing the likelihood of chipping.

Is the insert compatible with standard CNMG toolholders?
Yes, the CNMG120412-NRS WMP20S conforms to CNMG dimensions and can be used in standard CNMG-compatible turning holders for straightforward replacement and tool management.

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

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