SCMT09T304-E47 WSM20S WSM20S Wendeplatten - Walter Tools

Combines a WSM20S grade and Tiger‑tec Silver coating for secure edge stability in demanding stainless steels and heat‑resistant alloys. The square 90° geometry with a 0.4 mm corner radius and E47 chipbreaker ensures consistent hole quality and process security. Order directly via Metav Werkzeuge or consult the specialists for application-specific parameters.

SCMT09T304-E47 WSM20S drill/reaming indexable insert, Tiger‑tec Silver — Walter Tools

SCMT09T304-E47 WSM20S is a square 90° indexable insert engineered for drilling and boring in stainless steels and heat‑resistant superalloys

• Tiger·tec Silver coating technology
• Grade WSM20S for tough alloys
• Square 90° form, 0.4 mm corner radius
• 7° clearance angle for secure cutting

Reliable performance in difficult materials

The WSM20S grade, combined with Tiger‑tec Silver, is formulated for machining stainless steels and superalloys where heat and material tenacity demand a robust solution. The coated carbide substrate increases thermal resistance and supports stable chip formation, reducing the risk of built‑up edge and unexpected tool failure. This translates into more consistent hole quality and fewer interruptions on the shop floor when working with materials that are otherwise prone to work hardening.

Geometry that improves hole accuracy and repeatability

A square 90° plate form with a 0.4 mm corner radius and an E47 chipbreaker provides predictable cutting behaviour in drilling and boring operations. The 7° clearance contributes to reliable chip evacuation and lower cutting forces, which helps maintain concentricity and surface finish in through‑hole and blind‑hole applications. These geometric choices are designed to reduce vibration and support reproducible results across batch production.

Productivity through tool life and process security

The insert’s combination of grade and coating supports extended tool life under severe conditions, improving overall productivity. Stable cutting edges and controlled chip segmentation reduce downtime and tool changes, which is particularly valuable for high‑mix or volume production. The result is a balance between performance and economy: fewer interruptions and more predictable component quality without compromising machining speed where the workpiece allows.

Practical application and pairing recommendations

For best results pair the insert with drilling/boring toolholders optimised for indexable inserts and select cutting parameters according to workpiece alloy and diameter. When machining stainless steels or heat‑resistant alloys, favour moderate feeds and appropriate coolant strategies to avoid thermal shock to the cutting edge. The SCMT09T304-E47 WSM20S insert performs well in routines requiring stable chip control; Metav Werkzeuge can advise on matching holders and parameter windows for specific machines and components.

Contact Metav Werkzeuge for tailored recommendations on Walter Tools Tiger‑tec Silver inserts and guidance on cutting data or toolholder pairing via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: SCMT09T304-E47-WSM20S-WALTER
• Designation: SCMT09T304-E47 WSM20S
• Product type: drill/reaming indexable insert

Facts

• Size: 09
• Corner radius: 0.4 mm
• Clearance angle: 7°
• Thickness: T3
• Plate form: Square 90°
• Tolerance class: M

Special features

• Coating: Tiger·tec Silver
• Grade: WSM20S (coated carbide)
• Chipbreaker: E47
• Material suitability: S / M (superalloys, stainless steels)
• Application: drilling and reaming operations

FAQ

Which materials is this insert intended for?
The SCMT09T304-E47 WSM20S insert is designed primarily for stainless steels and heat‑resistant superalloys (S / M), offering thermal stability and controlled chip formation for these groups.

What advantage does the Tiger‑tec Silver coating provide?
Tiger‑tec Silver enhances thermal resistance and reduces friction at the cutting edge, supporting longer tool life and improved process security when machining demanding materials.

How does the plate geometry influence machining results?
The square 90° form with a 0.4 mm corner radius and E47 chipbreaker delivers stable cutting conditions, improved chip control and repeatable hole quality in drilling and boring tasks.

Can the insert be used for general steel machining?
This grade is optimised for S / M groups; for general or carbon steel machining a grade tailored to steels should be considered instead of the WSM20S variant.

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

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