TPGT110204-MM4 WSM20S MM4 Wendeplatten - Walter Tools

The combination of Tiger·tec Silver coating and the WSM20S grade delivers dependable wear resistance and secure chip control for challenging materials, while the compact triangular geometry and 0.4 mm nose radius support consistent surface finish and tool life; order the TPGT110204-MM4 WSM20S indexable insert directly via Metav Werkzeuge or ask our consultants if needed.

TPGT110204-MM4 WSM20S indexable turning insert — Triangle 60°, Tiger·tec Silver for stainless and superalloys | Walter Tools

TPGT110204-MM4 WSM20S is an indexable turning insert engineered for stable machining of stainless steels and heat‑resistant superalloys, combining a robust chipbreaker and precision geometry for demanding turning operations.

• Tiger·tec Silver coated carbide grade WSM20S
• 60° triangle with 0.4 mm nose radius
• 11° clearance angle for secure cutting
• MM4 chipbreaker for stable chip control

High-performance grade for difficult-to-machine alloys

The insert uses the WSM20S coated‑carbide grade from the Tiger·tec Silver series, optimised for workpiece groups M and S according to ISO classification. This composition emphasises thermal resistance and edge stability, which reduces the tendency for built‑up edge when machining stainless steels and nickel‑based superalloys. In production terms, the result is longer intervals between index changes and fewer unscheduled tool‑related interruptions, supporting a smoother machining cycle and predictable output.

Geometry that improves surface quality and tool life

A triangular 60° form with a 0.4 mm nose radius and an 11° clearance angle balances strength and accessibility for a range of turning profiles. The compact nose radius contributes to acceptable surface finish on small radii without sacrificing edge strength, while the clearance angle reduces rubbing and heat build‑up behind the cutting edge. Combined with the MM4 chipbreaker, the geometry encourages short, controllable chips and consistent edge wear, which helps maintain dimensional accuracy over extended runs.

Practical benefits for workshop efficiency

As an indexable insert designed for production environments, this grade supports higher process security and repeatability. The coated substrate improves resistance to abrasion and thermal cycling, lowering the frequency of insert changes and supporting better overall tool‑cost efficiency. Where component quality and cycle stability are priorities, the insert offers a practical compromise between aggressive metal removal rates and reliable surface integrity, reducing secondary rework and enhancing throughput.

Material guidance and application notes

The insert is specified for stainless steels (ISO group M) and for heat‑resistant superalloys and titanium (ISO group S), reflecting the grade’s focus on heat tolerance and edge preservation. For general turning tasks in these groups, choose cutting parameters and coolant strategies that favour steady heat removal; the grade and chipbreaker are tuned to assist with secure chip formation under such conditions. For unfamiliar applications, technical consultation is available to align insert choice with machine capability and component tolerance requirements.

For application advice or to secure the Walter Tools TPGT110204-MM4 WSM20S for production use, contact Metav Werkzeuge—email info@metav-werkzeuge.com or call +49 2822 7131930 for tailored recommendations and availability.

Technical data

• SKU: TPGT110204-MM4-WSM20S-WALTER
• Product: Indexable turning insert (Drehwendeschneidplatte)
• Brand: Walter Tools

Core specifications

• Clearance angle: 11°
• Nose radius: 0.4 mm
• Insert size: 11 mm
• Thickness designation: 02
• Geometry: Triangle 60°
• Chipbreaker: MM4
• Tolerance class: G

Materials & special features

• Series / coating: Tiger·tec Silver
• Grade: WSM20S
• Material suitability: stainless steels (M), superalloys and titanium (S)
• Execution: T
• Plate form: triangular 60°
• Application focus: secure chip control and edge stability

FAQ

What materials is this insert best suited for?
The TPGT110204-MM4 WSM20S indexable turning insert is intended for stainless steels (ISO group M) and for heat‑resistant superalloys and titanium (ISO group S), where its Tiger·tec Silver coating and carbide grade support thermal resistance and stable cutting edges.

How does the MM4 chipbreaker help in practice?
The MM4 chipbreaker on this triangular insert promotes short, consistent chips that are easier to evacuate, reducing the risk of entanglement and helping to maintain a stable cutting edge when machining tough alloys with the TPGT110204-MM4 WSM20S.

What advantages does the 0.4 mm nose radius provide?
A 0.4 mm nose radius delivers a compromise between edge strength and fine surface finish, permitting accurate profiling while keeping the cutting edge robust enough for interrupted or heavier turning passes.

Is this insert compatible with standard toolholders?
The insert’s triangular 60° form and standard designation match conventional indexable turning toolholders designed for this ISO geometry; ensure the clamping pocket and insert seat correspond to the TPGT format.

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

Protected trademarks and trade names are the property of their respective owners. Brand names are used solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The offered article is an original, factory‑new product of the manufacturer.