VBMT160408-MM4 WSM01 MM4 Wendeplatten - Walter Tools

Take advantage of the combination of a wear-resistant Tiger‑tec Silver coating, a stable WSM01 carbide grade and precise edge geometry for consistent machining of stainless steels and superalloys; order the insert directly via Metav Werkzeuge or ask the consultants for application advice.

VBMT160408-MM4 WSM01 — Indexable turning insert, Tiger‑tec Silver, for stainless steels and superalloys (Walter Tools)

The VBMT160408-MM4 WSM01 is an indexable turning insert in rhombic 35° form, engineered for reliable cutting performance in stainless steels and heat‑resistant superalloys.

• Tiger‑tec Silver coated carbide grade WSM01
• Rhombic 35° form with 0.8 mm corner radius
• 5° clearance angle for secure cutting edge
• MM4 chipbreaker for reliable chip control

Engineered for demanding stainless steel and superalloy turning

The WSM01 grade, applied in the Tiger‑tec Silver family, combines a coated cemented carbide substrate with a chip‑forming geometry that improves thermal and mechanical stability when machining tough alloys. This results in a more stable cutting edge and reduced tendency for built‑up edge when machining stainless steels and nickel‑based materials. The practical benefit is fewer interruptions for tool changes and a more predictable production rhythm, which supports higher process reliability in serial and jobbing work.

Geometry and edge design that maintain surface quality

The rhombic 35° form with a 0.8 mm corner radius and a 5° clearance angle offers a balance between strength and accessibility for profile and shoulder turning. The modest corner radius increases edge robustness without compromising the achievable surface finish, while the relief angle reduces rubbing and heat generation at the flank. For operators less familiar with insert geometry: a larger radius improves edge life and dampens vibration, whereas the clearance angle prevents unwanted contact between insert flank and workpiece, preserving surface integrity.

Chip control and consistent tool life for productive machining

The MM4 chipbreaker is tuned to produce short, controllable chips in materials that usually form long, stringy swarf. That chip behaviour reduces cycle interruptions and minimises the risk of workpiece marking. Combined with the coated carbide substrate, this configuration supports a longer useful cutting life under steady machining conditions. The result is higher uptime and fewer unscheduled tool interventions, helping to protect throughput while maintaining component quality.

Practical advantages for workshop planning

Adopting inserts from the Tiger‑tec Silver range simplifies tooling choices across mixed production runs involving stainless steels and heat‑resistant superalloys. The standardised form and chipformer mean toolholders and indexable insert carriers already in use will frequently be compatible, reducing set‑up complexity. Where higher process security is required, confirming cutting data and clamping conditions with a tooling specialist will help to match feed and speed to component geometry and machine capability.

Discuss machining parameters and application suitability for Walter Tools inserts with Metav Werkzeuge’s specialists — contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to plan the optimal setup for stainless steels and superalloys

Technical Data

• SKU: VBMT160408-MM4-WSM01-WALTER
• Article: VBMT160408-MM4 WSM01
• Product type: Indexable turning insert
• Brand: Walter Tools
• Series: Tiger‑tec Silver

Facts

• Plate size: 16
• Thickness designation: 04
• Corner radius: 0.8
• Clearance angle: 5°
• Form: Rhombus 35°

Special features

• Grade: WSM01
• Chipbreaker: MM4
• Coated cemented carbide
• Material suitability: S / M (superalloys, stainless steels)
• Tolerance class: M

FAQ

What materials is this insert intended for?
The VBMT160408-MM4 WSM01 is designed primarily for stainless steels (M) and heat‑resistant superalloys/titanium alloys (S), providing stable cutting edges in demanding materials.

How does the MM4 chipbreaker affect machining?
The MM4 chipbreaker on the Walter Tools insert produces controllable, short chips that reduce swarf handling and the risk of workpiece damage, improving process continuity.

Which toolholders are compatible with this insert form?
Rhombic 35° inserts such as VBMT160408-MM4 WSM01 fit standard holders for 35° rhombic indexable inserts; select a holder rated for the insert thickness and application.

What is the advantage of the 0.8 mm corner radius?
A 0.8 mm corner radius increases edge strength and resistance to chipping, offering better stability during interrupted cuts while still permitting good surface finish.

Is the coating suitable for high‑temperature cutting?
Yes, the Tiger‑tec Silver coating combined with the WSM01 grade improves thermal resistance and edge stability for operations that generate significant heat in stainless steels and superalloys.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking and forms part of the Swedish Sandvik group. Protected trademarks and trade names remain the property of their respective owners; brand names are mentioned for explanation purposes only and there is no affiliation between our company and the named brands. The offered article is an original, factory‑new product of the manufacturer.