RNMG 120400 T9215 Wendeplatten - Tungaloy

Combining the CVD‑coated carbide T9215 with the ISO RNMG form and a cylindrical mounting hole delivers consistent wear resistance and dependable chip control for mid‑steel turning operations; order this Tungaloy insert via Metav Werkzeuge or consult our specialists for grade and chipbreaker selection.

RNMG120400 T9215 Turning insert for turning – Tungaloy

A RNMG120400-61 T9215 Tungaloy insert engineered for external and internal turning, offering ISO compatibility, a cylindrical hole and a 0° relief angle for stable cutting.

*RNMG 120400 shape, ISO standard insert
*CVD-coated carbide grade T9215 for mid‑steel
*High wear resistance with fracture toughness
*Cylindrical hole; 0° relief angle; 4.76 mm thickness

Boosted productivity through material and grade choice

The combination of a CVD‑coated surface and carbide substrate in grade T9215 is optimised for mid‑steel machining, balancing wear resistance with reliable edge strength. This layout supports sustained cutting at productive feed and speed settings, making the component a practical choice where consistent output and tool life are priorities. The chipformer code and grade work together to reduce unexpected edge fracture, which helps maintain cycle times and lowers unplanned tool changes.

Predictable tool performance from proven geometry

The insert’s RNMG geometry and ISO conformity provide straightforward interchangeability with compatible holders. The cylindrical hole and defined 0° relief angle help ensure repeatable clamping and axial stability; matching the holder by form, clearance, tolerance class, fastening method, size and thickness secures the assembly. Clear specification of these parameters reduces setup time and supports predictable part tolerances during both external and internal turning operations.

What the coating and substrate mean in practice

A CVD (chemical vapour deposition) finish deposits a hard, wear‑resistant layer over the carbide substrate, improving thermal stability at the cutting edge and prolonging life under continuous cutting. In practical terms, the coating enhances resistance to abrasive wear while the carbide core provides fracture toughness; the result is a balanced solution for continuous to light interrupted cuts in medium‑strength steels. For operators less familiar with coatings, this means fewer changes and steadier surface finishes over comparable uncoated grades.

System compatibility and application guidance

The insert works as part of a system that includes an ISO external holder or boring bar, an underlay/shim and clamping set plus replacement screws. Select the 61 chipbreaker and T9215 grade to match workpiece stability, machining strategy and desired surface finish. For slightly interrupted cuts the grade’s fracture resistance is advantageous; for heavy interruptions a different grade or geometry may be preferable. Specification clarity at purchase reduces trial‑and‑error and supports more efficient tool consumption in production.

Contact Metav Werkzeuge for tailored advice on grade selection and holder matching for Tungaloy turning inserts; reach our specialists at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6772282
• Manufacturer SKU: TUN6772282
• Model series: ISO turning inserts
• Material: carbide
• Manufacturer: Tungaloy

Facts

• Insert designation: RNMG120400-61
• ISO code: 120400
• Size: 12 mm
• Thickness: 4.76 mm
• Relief angle: 0°
• Hole: with cylindrical hole
• Chipbreaker: 61

Special features

• CVD-coated carbide grade T9215
• Suited for medium steel machining
• For continuous to light interrupted cuts
• ISO‑standard geometry for holder compatibility
• System: insert, external holder or boring bar, shim/clamping set and replacement screws

FAQ

What is the primary application for this insert?
The RNMG120400-61 T9215 Tungaloy turning insert is designed for external and internal turning, primarily in medium‑strength steel where continuous to light interrupted cuts are required.

Which materials are best machined with the T9215 grade?
Grade T9215 is a first choice for mid‑steel machining; the CVD‑coated carbide composition offers a balance of wear resistance and fracture toughness suited to these materials.

How is the insert mounted and what must be matched to the holder?
Mounting uses a cylindrical hole and retention system; compatibility is determined by form, relief angle, tolerance class, fastening method, size and thickness, so proper holder selection is essential for repeatable performance with the RNMG120400-61 insert.

What advantages does the CVD coating provide in daily use?
A CVD coating on the Tungaloy insert increases thermal and abrasive resistance at the cutting edge, improving tool life and maintaining surface finish over extended runs compared with uncoated alternatives.

Is this insert suitable for interrupted cuts?
The RNMG120400-61 T9215 insert is suitable for continuous to light interrupted cuts; for heavy interruptions a grade with greater impact resistance or an alternate chipbreaker should be considered.

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.