SNMG 120412 T9215 Wendeplatten - Tungaloy

High productivity and dependable wear performance result from the combination of a CVD‑coated T9215 carbide grade and a double‑sided chipbreaker in a robust SNMG geometry; the compact 1.2 mm corner radius and 90° square form deliver consistent results for external and internal turning. Order genuine inserts via Metav Werkzeuge or consult the advisers for holder compatibility and optimised grade selection.

SNMG120412 T9215 turning insert for Turning by Tungaloy

SNMG120412 T9215 is an ISO‑format square insert developed for external and internal turning in medium‑grade steel, combining high wear resistance with good fracture toughness.

• ISO-standard SNMG120412 insert
• CVD-coated carbide T9215 for mid-range steel
• Double-sided chipbreaker, cylindrical hole
• 1.2 mm corner radius, 90° square 4.76 mm thick

High productivity through engineered grade and coating

The combination of a CVD‑coating with a wear‑resistant carbide substrate in grade T9215 is designed to raise productivity in continuous and lightly interrupted turning. This structure increases tool life by reducing flank and crater wear while maintaining edge stability under typical turning feeds and speeds for medium steel. For production environments where cycle time and repeatability matter, the described grade provides a reliable balance between wear resistance and fracture toughness, enabling predictable tool change intervals and steady component quality.

Secure clamping and ISO compatibility for predictable results

Compatibility with toolholders depends on geometry: form, clearance angle, tolerance class, fastening method, size and thickness determine fit and clamping security. The insert features a cylindrical hole for positive location and a double‑sided design to extend service life per indexation. The ISO format simplifies selection of a matching external holder or boring bar, and the system typically comprises an insert, suitable holder, supporting shim or clamp set and replacement screws. Clear specification of 0° relief angle, 90° edge orientation and the 12 mm inscribed size streamlines the choice of clamping hardware and reduces set‑up time.

Application guidance and process benefits for turning

Intended primarily for mid‑range steel machining, the geometry and chipbreaker work together to control chip form and evacuation, supporting stable machining and consistent surface finish. The 1.2 mm corner radius offers a compromise between strength and finish, suited to finishing and light roughing passes where edge strength matters. Select the chipbreaker and grade according to material, machining method and rigidity of the set‑up to exploit the insert’s full potential. For situations with intermittent cuts or reduced rigidity, the fracture‑tough T9215 grade helps to avoid unexpected edge failure while maintaining acceptable wear rates.

Contact Metav Werkzeuge for tailored holder recommendations and to secure genuine Tungaloy SNMG120412 T9215 turning inserts; advisers can assist with grade selection and compatibility checks via info@metav-werkzeuge.com or +49 2822 7131930.

Technical Data

• Article number: 6772287
• Manufacturer SKU: TUN6772287
• SKU: 6772287-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Name: SNMG120412 T9215 Tungaloy insert

Core dimensions

• Inscribed circle / size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 1.2 mm
• Cutting angle: 90°
• Relief angle: 0°
• Hole: with cylindrical hole

Materials & special features

• Material: carbide (cemented carbide)
• Coating / grade: T9215 (CVD-coated)
• Chipbreaker: double-sided
• Plate shape: square
• Application: Turning
• Suitable for external and internal turning
• ISO‑standard insert

FAQ

What steels is this insert suited for? The SNMG120412 T9215 insert is optimised for mid‑range steel machining, combining wear resistance and fracture toughness for continuous to lightly interrupted cuts.

How is the insert secured in the holder? The insert uses a cylindrical hole and standard ISO clamping methods; secure fastening with a matching holder, shim or clamp set and replacement screws ensures reliable location and repeatable performance.

Can this grade handle interrupted cuts? Grade T9215 is designed to tolerate light interruptions while maintaining good wear resistance and edge stability, making it suitable for many mixed‑production applications.

What benefit does the 1.2 mm corner radius provide? A 1.2 mm corner radius balances edge strength and surface finish, offering greater resistance to chipping than small radii while still enabling fine surface quality in finishing passes.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.