SNMG120408-MM5 WSM30S WSM30S Wendeplatten - Walter Tools

Combine high thermal resistance with a stable cutting edge and a reliable chip control geometry to maintain productivity on hard-to-machine alloys and rostfreier Stahl; the certified Tiger·tec Silver grade ensures consistent performance. Order genuine Walter Tools inserts through Metav Werkzeuge or request tailored application advice from our consultants.

SNMG120408-MM5 WSM30S indexable turning insert – Walter Tools (Tiger·tec Silver, MM5 chipbreaker)

SNMG120408-MM5 WSM30S is a square, negative insert designed for tough turning tasks on rostfreier Stahl and heat-resistant superalloys and titanium

• Tiger·tec Silver coating for thermal stability
• Optimised for rostfreier Stahl and superalloys
• Negative 0° rake for robust cutting action
• MM5 chipbreaker for reliable chip control

High-performance grade for demanding materials

The WSM30S grade from the Tiger·tec Silver family combines a wear-resistant substrate with a multi-layer coating designed to withstand elevated temperatures. This translates into longer tool life and fewer insert changes when machining materials that tend to work-harden or generate heat, such as rostfreier Stahl and superalloys. The specialised coating improves heat resistance and reduces adhesive wear, which helps to maintain a stable cutting edge during interrupted or continuous cuts. For production environments, the result is a more predictable tool lifecycle and reduced downtime.

Geometry that protects the edge and controls chips

The insert’s MM5 chipbreaker and negative 0° rake deliver controlled chip formation and a robust cutting geometry that resists chipping under heavy engagement. The square 90° form with a corner radius of 0.8 mm offers a balance between edge strength and surface finish capability: the radius supports heavy cuts while still allowing acceptable component quality. The term "negative 0°" indicates a stable rake face arrangement that favours rigidity and shock resistance, making this insert suitable for medium to heavy turning where edge security is essential.

Practical advantages for workshop and production use

As an indexable turning insert with the SNMG designation, the item permits quick index changes, reducing setup time and keeping machines productive. The designation SNMG120408-MM5 indicates the standardised geometry and size coding used across toolholders, enabling compatibility with a wide range of clamping systems. The series: Tiger·tec Silver and grade WSM30S are tailored for applications where consistent surface results and extended cutting intervals are required. Where process consistency and repeatable quality matter, this insert supports efficient machining of challenging materials.

Contact Metav Werkzeuge for application guidance, availability and to source genuine Walter Tools SNMG120408-MM5 WSM30S inserts for your specific turning operations

Technical Data

• SKU: SNMG120408-MM5-WSM30S-WALTER
• Product type: Drehwendeschneidplatte / indexable turning insert
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver
• Grade: WSM30S

Core specifications

• Size code: 12
• Thickness code: 04
• Corner radius: 0.8 mm
• Free angle: 0° (negative)
• Shape: Square 90°
• Chipbreaker: MM5
• Tolerance class: M

Features & applications

• Coating system: Tiger·tec Silver (coated carbide)
• Material suitability: S / M (superalloys, rostfreier Stahl)
• Typical use: Heavy-duty and difficult-to-machine materials
• Designation: SNMG120408-MM5 WSM30S
• Product purpose: Turning of rostfreier Stahl, heat-resistant superalloys and titanium

FAQ

What materials is this insert suitable for?
The SNMG120408-MM5 WSM30S insert is suitable for rostfreier Stahl and heat-resistant superalloys and titanium, reflecting the grade’s focus on thermal stability and edge strength.

How does the MM5 chipbreaker affect machining?
The MM5 chipbreaker on the Walter Tools SNMG120408-MM5-MM5 WSM30S provides consistent chip control and helps to avoid long, stringy chips when turning rostfreier Stahl and similar materials.

Can the SNMG120408-MM5 be indexed during production to reduce downtime?
Yes, as an indexable turning insert the SNMG120408-MM5 WSM30S allows rapid indexing to a fresh cutting edge, supporting continuous production with minimal interruption.

What benefit does the Tiger·tec Silver series provide?
Tiger·tec Silver coating on the WSM30S grade offers improved heat resistance and wear performance, which helps to extend tool life and maintain consistent machining results on demanding materials.

Is the negative 0° geometry more robust than positive rake options?
The negative 0° arrangement used on the SNMG120408-MM5 WSM30S prioritises edge strength and shock resistance, making it preferable for heavier cuts and interrupted turning where stability is essential.

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