TNMG160408-RM5 WMP20S Wendeplatten - Walter Tools

High wear resistance from the Tiger·tec Silver coating and the WMP20S grade delivers dependable edge life and secure chip formation in rostfreier Stahl; combined with the RM5 chipbreaker and a robust 0.8 mm corner radius, the insert supports productive turning operations. Order the insert directly via Metav Werkzeuge or consult our specialists for application-specific setup and availability.

TNMG160408-RM5 WMP20S — Turning indexable insert, Tiger·tec Silver for rostfreier Stahl (Walter Tools)

The TNMG160408-RM5 WMP20S is a triangular 60° indexable insert with RM5 chipbreaker, designed for medium to robust turning of rostfreier Stahl where stable cutting edges and controlled chip flow are required.

• Tiger·tec Silver coated carbide grade WMP20S
• Optimised RM5 chip control
• Triangle 60° geometry, 0.8 mm radius
• 0° negative rake for heavy cuts

Consistent performance when machining rostfreier Stahl

The combination of the WMP20S cutting grade and Tiger·tec Silver coating is formulated for the specific demands of rostfreier Stahl. These materials tend to work-harden and generate heat; the coated carbide composition promotes a stable cutting edge and supports safe chip formation under medium to robust conditions. As a result, the insert offers predictable wear behaviour, which simplifies process planning and reduces unexpected downtime.

Reliable chip control and enhanced edge stability

The RM5 chipbreaker is tuned to produce manageable chips during turning, reducing the risk of re-cutting and surface damage. The insert’s negative 0° free angle increases edge strength for tougher cuts, while the corner radius 0.8 mm provides a balance between durability and surface finish. Together, these features improve consistency across serial production and make the insert suitable for more demanding stainless applications.

Geometry and dimensions that support productive turning

The triangular 60° form provides three indexing positions per insert, improving tool life economy in serial turning operations. The nominal size 16 and thickness 04 correspond to established TNMG conventions, offering compatibility with a wide range of toolholders. The compact edge geometry allows for dependable chip evacuation and flexible use across roughing and semi-finishing steps without complex tool changes.

Process benefits and practical application notes

Using a coated carbide insert from the Tiger·tec Silver family reduces the need for frequent indexing and supports longer tool cycles, which can lower per-part costs in continuous production. For rostfreier Stahl, the combination of grade and chipbreaker helps prevent built-up edge and improves batch-to-batch repeatability. If machining parameters require optimisation, process data can be adapted to the workpiece grade and machining centre to maximise the benefit of the insert.

Contact Metav Werkzeuge for application advice, stock information and to discuss the Walter Tools TNMG160408-RM5 WMP20S insert — e‑mail info@metav-werkzeuge.com or call +49 2822 7131930.

Technical Data

• SKU: TNMG160408-RM5-WMP20S-WALTER
• Designation: TNMG160408-RM5 WMP20S
• Product type: Drehwendeschneidplatte (turning indexable insert)
• Series: Tiger·tec Silver
• Manufacturer: Walter Tools
• Grade: WMP20S

Core dimensions

• Size: 16
• Thickness: 04
• Corner radius: 0.8 mm
• Shape: Triangle 60°
• Free angle: 0° (negative)

Features and applications

• Coating: Tiger·tec Silver
• Chipbreaker: RM5
• Material grade: coated carbide
• Suitable for: rostfreier Stahl
• Typical use: medium to robust turning conditions

FAQ

Is this insert suitable for stainless steel turning?
Yes. The TNMG160408-RM5 WMP20S insert is designed with the WMP20S grade and Tiger·tec Silver coating specifically for rostfreier Stahl and performs well under medium to robust conditions.

What advantage does the RM5 chipbreaker provide?
The RM5 chipbreaker improves chip control during turning, promoting predictable chip shapes and reducing the likelihood of re-cutting or surface damage when machining rostfreier Stahl.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm corner radius increases edge strength for heavier cuts while still allowing a good surface finish in many turning operations, enhancing overall process stability.

Can this insert be used for roughing and finishing?
Yes. The combination of a robust grade, coated carbide and the triangular geometry allows flexible use across roughing and semi-finishing tasks in rostfreier Stahl, depending on cutting parameters.

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

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