RCMT 1204M0 AH140 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated AH140 carbide, a sharp cutting edge and the TurnTenFeed system for faster roughing and consistent process security. Order the insert directly via Metav Werkzeuge or consult our specialists for application advice.

RCMT 1204M0 AH140 turning insert — Tungaloy, PVD-coated carbide for high-feed roughing

RCMT1204M0 AH140 is a round indexable insert designed for high-feed turning and productive roughing under stable clamping conditions

• TurnTenFeed family for high-feed roughing
• PVD-coated AH140 carbide for wear resistance
• Round plate with cylindrical hole and countersink

Increased material removal rates with controlled chip flow

The TurnTenFeed series is engineered for high-feed turning, which raises material removal rates without sacrificing stability. The AH140 PVD-coated carbide provides a wear-resistant and chip-secure cutting edge, helping to maintain consistent cycle times in productive roughing operations. The result is a tangible improvement in throughput: sharper edge retention reduces edge failures and keeps tool change intervals predictable, supporting leaner production schedules.

Stable clamping and repeatable seating for secure machining

A round insert with a cylindrical hole plus single-sided countersink (40°–60°) ensures positive seating in compatible tool holders. The 7° relief angle and 4.76 mm plate thickness combine to deliver a balance between rigidity and cutting clearance, reducing chatter when conditions are stable. This geometric setup translates into reliable engagement at higher feeds and contributes to a repeatable machining process, lowering the risk of unexpected interruptions.

Practical system benefits for workshop logistics

The TurnTenFeed system comprises holders, indexable inserts and spare parts, allowing for coherent tool management across similar turning tasks. Using a standardised insert format such as this round RCMT-type simplifies inventory and reduces setup complexity. The single-sided chipbreaker supports effective chip control in roughing, which eases swarf handling and can improve surface integrity on the subsequent finishing pass.

Application-focused alloy and edge performance

The AH140 grade is developed to combine wear resistance with resistance to edge chipping, making it suitable where a sharp edge and process security are required. The 12 mm plate diameter and zero corner radius offer a consistent cutting profile for high-feed operations, while the PVD coating enhances lifetime under abrasive conditions. For manufacturers aiming to increase throughput with dependable tool life, this insert offers a pragmatic compromise between aggressiveness and robustness.

For tailored recommendations on integrating Tungaloy AH140 inserts into production, contact Metav Werkzeuge for specialist advice and delivery options.

Technical data

• Article number: 6850746
• SKU: 6850746-Tungaloy
• Manufacturer SKU: TUN6850746
• Model series: TurnTenFeed

Specifications

• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Relief angle: 7°
• Corner radius: 0 mm

Special features

• Grade/coating: AH140, PVD-coated carbide
• Shape: round insert
• Hole: with cylindrical hole + single-sided countersink (40°–60°)
• Chipbreaker: one-sided
• Typical application: high-feed turning, productive roughing

FAQ

What operations is this insert designed for?
The RCMT1204M0 AH140 Tungaloy insert is engineered primarily for high-feed turning and productive roughing under stable clamping conditions.

Which tool system does the insert belong to?
This insert is part of the TurnTenFeed series, delivered as an indexable component for matching holders and spare parts to form a complete turning system.

What benefits does the AH140 grade deliver?
The AH140 grade on the RCMT1204M0 provides improved wear resistance and resistance to edge chipping, ensuring a sharp cutting edge and process security during roughing.

How does the insert help with chip control?
The single-sided chipbreaker and round geometry support controlled chip formation in roughing applications, easing swarf evacuation and helping to protect the workpiece surface for subsequent finishing.

Is the insert suitable for stocked tool management?
Using standard RCMT inserts within the TurnTenFeed family simplifies inventory and enables rapid replacement and repeatable set-up across similar turning tasks.

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.