RCMM 1204M0 T9225 Wendeplatten - Tungaloy

Take advantage of the CVD-coated carbide T9225 and the ISO round geometry for reliable performance in medium‑to‑heavy turning operations; the combination of robust cutting grade and standardised form supports consistent tool life and stable chip formation. Order the insert directly via Metav Werkzeuge or request guidance from our consultants for optimal holder compatibility.

RCMM 1204M0 T9225 turning insert (RCMM1204M0-61) by Tungaloy — ISO round 12 mm, CVD-coated carbide

The RCMM1204M0-61 T9225 Tungaloy is an ISO‑standard round turning insert designed for external and internal turning, offering a robust CVD‑coated carbide grade for medium‑to‑heavy steel machining.

• CVD-coated carbide grade T9225
• ISO round 12 mm geometry
• Suited for medium to heavy steel turning

Engineered for robust steel turning and longer tool life

The chosen grade T9225 is a CVD‑coated carbide developed as a universal, tough option for the demands of medium‑to‑heavy steel machining. As a result, the insert delivers stable chip formation and improved resistance to edge chipping under variable engagement or slightly interrupted cuts. The coating provides wear protection at elevated temperatures while the substrate maintains the required toughness, which translates directly into longer intervals between indexings and reduced tool change frequency — a clear advantage for productive turning cycles.

Compatibility, geometry and system integration for predictable set‑up

This insert is an ISO 1204M0 type in a round 12 mm format with a thickness of 4.76 mm and a 7° relief angle; it is supplied with a cylindrical hole to suit pinned or clamped holders. Compatibility with a holder is determined by form, relief angle, tolerance class, attachment method, size and thickness. The insert is intended to be used as part of a complete system — the ISO plate together with a matching external holder or boring bar, an appropriate shim/clamping set and replacement screws — so the assembly is repeatable and measurable, enabling consistent setup and reduced downtime during tool changes.

Application guidance and practical benefits for production floors

The round geometry and chipbreaker 61 make this insert versatile for both roughing and semi finishing in turning applications, providing the ability to sustain variable cutting conditions while maintaining surface quality. The design supports a balance of strength and sharpness, which helps to maintain cutting-edge integrity during interrupted cuts. In practice, this delivers the primary production benefits of improved process stability and fewer scrap parts due to tool failure, while preserving component tolerances and surface finish. For integration into existing tool pools, the insert’s system compatibility ensures straightforward replacement and predictable performance.

Contact Metav Werkzeuge today for availability and expert advice on selecting the correct Tungaloy turning insert and matching holder for specific machining tasks

Technical data

• Article number: 6781163
• Manufacturer SKU: TUN6781163
• Merchant SKU: 6781163-Tungaloy
• Designation: RCMM1204M0-61
• Model series: ISO turning indexable inserts
• Material: carbide
• Grade: T9225

Core specifications

• Size: 12 mm
• Thickness: 4.76 mm
• Relief angle: 7°
• Corner radius: 0 mm
• Hole: with cylindrical hole
• Chipbreaker: 61

Features and application

• CVD-coated carbide substrate
• Application: turning (external and internal)
• Suited for medium-to-heavy steel machining
• Compatibility depends on form, relief angle and size
• System composition: ISO insert, holder/boring bar, shim/clamping set, spare screws

FAQ

What holder features are required for this insert?
Compatibility is determined by form, relief angle, tolerance class, attachment, size and thickness; the RCMM1204M0-61 requires a holder or boring bar that accepts ISO 1204M0 round inserts with a cylindrical hole.

Which materials is this insert best suited to machine?
The T9225 grade and CVD coating are optimised for medium‑to‑heavy machining of steel, offering toughness for variable engagement and good wear resistance under elevated temperatures.

How does the chipbreaker 61 affect machining?
The chipbreaker 61 is designed to promote stable chip control in turning applications, reducing the risk of long, entangling chips and supporting consistent surface quality during roughing and semi‑finishing passes.

Is the insertion suitable for interrupted cuts?
Yes; the combination of the tough T9225 substrate and the coating makes the insert resilient under slightly interrupted cuts, improving reliability and reducing edge chipping on demanding cycles.

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.