RCMT 1606EN AH140 Wendeplatten - Tungaloy

Take advantage of PVD-coated carbide and a one-sided chipbreaker for predictable chip control and reliable edge life, ensuring smoother milling cycles and fewer interruptions. Order genuine Tungaloy inserts via Metav Werkzeuge or request advice from our technical consultants.

RCMT 1606EN AH140 — Tungaloy indexable insert for milling (PVD-coated carbide, cylindrical hole + 40°–60° countersink)

RCMT 1606EN AH140 is an indexable insert for Tungaloy milling systems, intended for face, shoulder, slot, high-feed and contour milling where a sharp cutting edge and process security are required.

• PVD-coated carbide grade AH140
• One-sided chipbreaker for stable chip formation
• Cylindrical hole with 40°–60° countersink
• 7° clearance angle; 6.35 mm plate thickness

Reliable cutting performance through advanced grade and geometry

The combination of a PVD-coated carbide base material and the AH140 grade provides a wear- and fracture-resistant cutting edge that supports stable performance in a wide variety of milling operations. The integrated one-sided chipbreaker improves chip control, reducing the risk of edge chipping and unexpected downtime; this is particularly useful for intermittent cuts or variable engagement angles. Compatibility with the cutter body is essential: insert seat, geometry and milling body must match to achieve the intended clamping force and cutting geometry. For users seeking predictable tool life and consistent component quality, this arrangement brings measurable productivity gains.

Secure seating and stiffness for higher process stability

Mechanical features such as the cylindrical hole with single-sided countersink (40°–60°) and the 7° clearance angle are designed to ensure repeatable seating and secure clamping in the tool body. The 6.35 mm plate thickness and round 16 mm form increase the stiffness of the cutting edge, which helps to reduce chatter and improve surface finish when compared to thinner inserts in comparable applications. The term “clearance angle” (sometimes called relief angle) denotes the small angle behind the cutting edge that prevents rubbing; a correctly specified clearance minimises heat build-up and preserves the sharpness of the edge for longer cycles.

Versatile application range with clear selection guidance

This insert suits a broad set of milling tasks — from planing and shoulder milling to specialised high-feed and contour work — when paired with the appropriate tool family. The grade was developed for situations where both a sharp edge and process security are required, making it a solid choice when consistent dimensional and surface requirements matter. When selecting an insert for a specific job, consider the workpiece material, cutting parameters and the tool holder geometry; the combination of grade, chipbreaker and seating features determines the attainable productivity and component quality.

For application-specific advice or to source authentic Tungaloy RCMT 1606EN AH140 inserts, contact Metav Werkzeuge via info@metav-werkzeuge.com or call +49 2822 7131930 — our consultants provide technical guidance and availability details.

Technical Data

• Article number: 5811734
• Manufacturer SKU: TUN5811734
• Series: Fräswendeschneidplatten
• Material: Carbide

Facts

• Insert designation: RCMT1606EN
• Size: 16 mm
• Plate thickness: 6.35 mm
• Clearance angle: 7°
• Hole: with cylindrical hole + single-sided countersink (40°–60°)

Special features

• Coating: PVD
• Grade: AH140
• Plate shape: round
• Chipbreaker: one-sided
• Typical application: face, shoulder, slot, high-feed and contour milling

FAQ

What materials is this insert suitable for?
The RCMT1606EN AH140 Tungaloy indexable insert is formulated for general milling tasks where a sharp cutting edge and process security are required; suitability depends on the workpiece material and cutting data — the AH140 grade is wear- and fracture-resistant for a broad material range.

How does the one-sided chipbreaker influence machining?
The one-sided chipbreaker on this insert improves chip formation and evacuation, leading to more predictable cutting behaviour and reduced risk of edge breakouts when the RCMT1606EN AH140 is used in compatible Tungaloy milling systems.

Which toolholders are compatible with this insert?
Compatibility requires a matching insert seat and geometry; the RCMT1606EN form, with its cylindrical hole and countersink, must be used in cutter bodies designed for RCMT1606EN-format inserts to ensure correct clamping and performance.

Why is the countersink angle specified as 40°–60°?
The single-sided countersink in the RCMT1606EN AH140 provides a positive seating surface that helps centre the insert and distribute clamping forces; the 40°–60° range accommodates common cutter designs while maintaining stable seating.

Can the insert be used for high-feed milling?
Yes; when paired with the appropriate tool family and cutting parameters, the insert’s geometry and AH140 grade support high-feed and contour milling applications where a sharp cutting edge and process reliability are required.

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.