SPMT09T308-F55 WSM35G WSM35G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Gold coating and the WSM35G grade with an F55 chipbreaker for stable cutting edges and controlled chip formation in stainless steel and heat‑resistant alloys. Order the insert via Metav Werkzeuge or consult their specialists for cutting data and process recommendations.

SPMT09T308-F55 WSM35G – square milling insert with Tiger·tec Gold coating (Walter Tools)

A SPMT09T308-F55 WSM35G milling insert designed for productive machining of stainless steel and heat‑resistant superalloys, offering robust edge stability and predictable chip control.

• Tiger·tec Gold coating for durable edges
• Optimised F55 chipbreaker for controlled chips
• Square 90° form with 0.8 mm corner radius
• Suitable for stainless steel and superalloys

High‑performance grade for demanding materials

The combination of the WSM35G grade and the Tiger·tec Gold coating provides a reliable balance between wear resistance and fracture toughness. This makes the insert particularly effective when machining stainless steel, which tends to work‑harden and generate elevated temperatures. The coated carbide composition helps maintain a stable cutting edge under thermal stress, reducing unexpected edge chipping and supporting longer in‑cycle times. The result is more consistent part quality and fewer index changes during runs.

Precision edge control and chip management

Built with an F55 chipbreaker and a 0.8 mm corner radius, the geometry promotes predictable chip formation and evacuation, lowering the risk of built‑up edge and surface marling. The square 90° form concentrates rigidity at the cutting edge, improving stability in interrupted or heavy cuts. The 11° relief angle reduces rubbing on the flank and supports cooler cutting conditions, which is beneficial for fragile heat‑resistant alloys where thermal load and poor heat conduction can compromise the tool life.

Productivity gains and process security

The design emphasises repeatable performance: the coated grade and stable geometry reduce the need for frequent tool changeovers and rework. In production environments that demand consistency, the insert contributes to higher uptime and predictable cycle times. Process planners and operators can expect improved surface finishes and fewer rejects when the insert is used within recommended parameters, translating into lower overall machining cost per component and a more efficient production flow.

Practical application and handling guidance

The insert is suited to face milling and shoulder operations in stainless steel and superalloys; its compatibility with a range of cutter bodies makes it adaptable across common milling setups. For best results, select a cutter body that secures the square 90° insert positively and apply cutting data aligned with the material group: moderate cutting speeds and controlled feed per tooth to avoid excessive thermal loading. Indexable inserts of this type benefit from stable clamping and regular inspection of seat cleanliness to ensure repeatable seating and consistent tolerance control.

Contact Metav Werkzeuge for tailored cutting data and application support for Walter Tools inserts; their consultants provide practical recommendations for machining stainless steel and superalloys and can advise on optimal cutter bodies and parameters.

Technical data

• SKU: SPMT09T308-F55-WSM35G-WALTER
• Designation: SPMT09T308-F55 WSM35G
• Product type: Milling insert (indexable)
• Manufacturer: Walter Tools

Facts

• Relief angle: 11°
• Corner radius: 0.8 mm
• Plate form: Square 90°
• Plate size: 09
• Plate thickness: T3
• Tolerance class: M

Special features

• Series: Tiger·tec Gold
• Grade: WSM35G (coated carbide)
• Chipbreaker: F55
• Material compatibility: stainless steel; superalloys / titanium
• Execution: T
• Material designation: S / M

FAQ

What materials is this insert best suited for?
The SPMT09T308-F55 WSM35G insert from Walter Tools is optimised for stainless steel and heat‑resistant superalloys, providing stable chip control and edge life under thermal stress.

Which chipbreaker should be selected for fine surface finishes?
The built‑in F55 chipbreaker on this indexable insert promotes predictable chips and good surface integrity; adjust feed and speed to the specific stainless steel grade for the finest finish.

How does the Tiger·tec Gold coating benefit tool life?
Tiger·tec Gold coating enhances wear resistance and protects the cutting edge of the WSM35G grade, improving tool life and process reliability in demanding materials.

Can the insert be used for interrupted cuts?
Yes, the square 90° geometry with a 0.8 mm corner radius offers rigidity and edge strength suitable for moderate interrupted milling when clamped securely.

Is there a recommended clamping practice?
Secure seating and clean pockets are essential; the insert performs best in positive, rigid holders that ensure repeatable positioning and minimise vibration.

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

Protected trademarks and trade names are the property of their respective owners. Brand names are used for explanation only; there is no affiliation between Metav Werkzeuge and the named brands. The offered item is an original, factory‑new product from the manufacturer.