RCMM 1204M0 AH905 Wendeplatten - Tungaloy

Combining a PVD‑coated AH905 carbide grade with ISO‑standard geometry and a 7° clearance, this insert delivers consistent cutting performance and reliable chip control in external and internal turning. Benefit from reduced tool changes and steady process stability — order directly via Metav Werkzeuge or consult our technical advisors for application matching.

RCMM 1204M0 AH905 — RCMM1204M0-61 Turning Insert by Tungaloy (PVD‑coated, chipbreaker 61)

A RCMM1204M0-61 AH905 ISO turning insert engineered for robust external and internal turning, offering a wear‑resistant PVD coating and stable chip control for industrial machining.

• PVD-coated AH905 carbide grade
• ISO-standard geometry for holder fit
• 7° clearance angle for reliable cutting
• Chipbreaker 61 for controlled chips

Consistent cutting performance for productive turning

The PVD‑coated AH905 grade is formulated to be wear‑resistant and chipping‑resistant, supporting uninterrupted production in medium‑to‑high cutting conditions. As an indexable insert, the RCMM1204M0-61 provides a consistently sharp edge thanks to the PVD layer, which reduces flank wear and preserves cutting geometry. This results in longer effective tool life and fewer interruptions for regrinding or replacement, improving overall machining throughput.

Seamless integration into ISO tool systems

Compatibility is governed by form, clearance angle, tolerance class, fastening method, size and thickness; this round insert conforms to ISO turning standards to simplify tool selection and fixture matching. The part is a round insert with a 12 mm diameter and 4.76 mm thickness, featuring a cylindrical hole for secure fastening and a zero corner radius for predictable cutting engagement. The standardised geometry minimises trial‑and‑error at setup and helps maintain concentricity and repeatability in batch production.

Controlled chips and process security for reliable finishing

With chipbreaker 61, the insert produces predictable chip forms that promote consistent surface finish and safe chip evacuation in both external and internal turning. The combination of grade and breaker reduces the risk of unexpected edge failure, translating into steadier cycle times and better part quality. For components that demand dimensional stability, the insert’s balanced design supports reproducible results across serial production.

Economic advantages through reduced downtime

Selecting a grade that pairs toughness with a protective PVD layer helps extend tool life and lower per‑part machining costs. Fewer insert changes reduce machine idle time and operator interventions, while ISO interchangeability aids quick replacements without costly special tooling. For workshops seeking immediate productivity gains, the design provides an efficient route to higher uptime and predictable maintenance intervals.

If there is uncertainty about the suitability for a particular material or turning task, Metav Werkzeuge can provide application guidance and data‑driven recommendations to match the right chipbreaker and grade to the workpiece and process.

For precision turning tasks that require both wear resistance and process security, contact Metav Werkzeuge to discuss the Tungaloy RCMM1204M0-61 AH905 insert and receive tailored application advice.

Technical data

• Article number: 6883011
• Manufacturer SKU: TUN6883011
• SKU: 6883011-Tungaloy
• Model series: ISO-Drehwendeschneidplatten

Core specifications

• Insert diameter: 12 mm
• Thickness: 4.76 mm
• Clearance angle: 7°
• Corner radius: 0 mm
• Chipbreaker: 61
• Hole style: cylindrical hole

Features

• Grade/coating: AH905 (PVD-coated)
• Material: Carbide (cemented carbide)
• Shape: round insert
• Application: external and internal turning
• Compatibility: ISO‑standard insert

FAQ

What materials is this insert suitable for? The RCMM1204M0-61 AH905 insert is designed as a general‑purpose turning grade; the AH905 PVD coating and carbide substrate make it suitable for a broad range of steels and common workshop materials in turning operations.

How does chipbreaker 61 affect machining? Chipbreaker 61 promotes controlled chip formation and evacuation; when used with the RCMM1204M0-61 it helps maintain consistent surface finishes and reduces the risk of chip entanglement in both external and internal turning.

What determines holder compatibility for this ISO insert? Compatibility depends on form, free angle, tolerance class, fastening and size. The RCMM1204M0-61 is an ISO‑standard round insert with a cylindrical hole and a 7° clearance, so it fits holders designed for the ISO 1204M0 form and corresponding tolerance class.

Is this insert suitable for high‑speed machining? The AH905 PVD‑coated carbide grade is engineered for a balance of wear resistance and edge strength; it supports productive cutting at elevated speeds provided cutting parameters and coolant strategies are appropriately adjusted.

Can the insert be used for finishing and roughing? The insert’s zero corner radius and chipbreaker 61 make it adaptable: it excels in finishing where stable chip control and surface quality are required, and can be employed for light to moderate roughing depending on the workpiece and machine stability.

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.