SCMT120408-FM6 WSM30S WSM30S Wendeplatten - Walter Tools

Take advantage of the combination of high thermal resistance and stable chip control to improve machining consistency when working with rostfreier Stahl and heat‑resistant alloys; order the insert through Metav Werkzeuge or ask their consultants for application advice.

SCMT120408-FM6 WSM30S (SCMT120408-FM6 WSM30S) — Square 90° indexable turning insert, Tiger‑tec Silver, FM6 chipbreaker (Walter Tools)

The SCMT120408-FM6 WSM30S is a square 90° indexable insert engineered for demanding turning applications on rostfreier Stahl and heat‑resistant superalloys; its Tiger‑tec Silver coating and FM6 chipbreaker combine to support consistent edge life and controlled chip formation.

• Tiger‑tec Silver coated for high heat resistance
• FM6 chipbreaker for reliable chip control
• Square 90° form with 0.8 mm corner radius
• Optimised for rostfreier Stahl and superalloys

Enhanced process stability for demanding materials

The WSM30S grade, part of the Tiger‑tec Silver series, offers an optimised coated carbide solution that addresses the specific challenges of machining rostfreier Stahl and heat‑resistant alloys. As these materials tend to produce built‑up edge and retain heat at the cutting zone, the coating improves thermal resistance while the substrate maintains fracture toughness. The net effect is longer edge life and fewer unplanned interruptions, which increases machine utilisation and reduces cycle‑time variance.

Geometry and chip control that reduce rework

The insert’s FM6 chipbreaker is designed to shape and evacuate chips reliably in turning operations, lowering the risk of chip entanglement and workpiece damage. Combined with the Square 90° form and a 0.8 mm corner radius, the geometry balances strength at the cutting edge with the ability to produce acceptable surface finishes. The listed 7° clearance angle helps maintain a stable cutting edge engagement, reducing rubbing and minimising thermal load on the insert during continuous cuts.

Clear technical benefits for production planning

From a planning perspective, the carbide grade’s focus on rostfreier Stahl (ISO group M) and the ability to address ISO group S materials supports a broad range of tough turning tasks without frequent tool changes. The insert thickness and form factor provide robust seating in standard toolholders, while the coating and chipbreaker reduce downtime associated with edge failures. These attributes translate into measurable gains in process reproducibility and lower overall tooling consumption per workpiece.

Practical explanation of terms and application advice

For users less familiar with turning nomenclature: an indexable insert is a replaceable cutting element mounted in a holder; chipbreaker refers to the machined geometry that controls how the metal chips curl and break; the coating increases temperature resistance and reduces adhesion of workpiece material. When paired with an appropriate holder and machining parameters adapted to rostfreier Stahl, this configuration supports stable cutting and extended service intervals.

For targeted machining of rostfreier Stahl and superalloys with Walter Tools quality, contact Metav Werkzeuge for tailored advice and reliable supply of inserts and compatible tooling.

Technical Data

• Article number: SCMT120408-FM6-WSM30S-WALTER
• Product: SCMT120408-FM6 WSM30S
• Manufacturer: Walter Tools

Facts

• Corner radius: 0.8 mm
• Relief/clearance angle: 7°
• Insert shape: Square 90°
• Size designation: 12
• Thickness designation: 04
• Tolerance class: M

Special features

• Grade/variety: WSM30S
• Series: Tiger‑tec Silver
• Chipbreaker: FM6
• Coating: Tiger‑tec Silver (coated carbide)
• Material suitability: S / M
• Application focus: rostfreier Stahl and heat‑resistant superalloys
• Execution/form detail: T

FAQ

What materials is this insert best suited for? This insert is optimised for rostfreier Stahl (ISO group M) and is also suitable for heat‑resistant superalloys (ISO group S), reflecting the focus of the WSM30S grade.

How does the FM6 chipbreaker affect machining performance? The FM6 chipbreaker shapes and manages chips to improve evacuation and reduce the chance of entanglement, which enhances process reliability for turning operations with the Walter Tools insert.

What advantage does the Tiger‑tec Silver coating provide? The Tiger‑tec Silver coating increases thermal resistance and reduces adhesion, supporting longer edge life and improved performance when cutting materials that generate high temperatures, such as rostfreier Stahl.

Is the Square 90° form appropriate for heavy roughing cuts? The Square 90° geometry, combined with a 0.8 mm corner radius and the coated grade, offers a robust solution for many roughing and finishing scenarios; the insert’s stability reduces the likelihood of edge chipping under higher loads.

How should the insert be specified when ordering? Specify the full designation SCMT120408-FM6 WSM30S and reference the Walter Tools grade to ensure the correct Tiger‑tec Silver coated insert and FM6 chipbreaker are supplied.

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

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