THR QM 2*0.4*D4

Description

THR QM 2×0.4×D4 micro thread milling cutter is a high-precision solid carbide thread mill designed for producing M2 × 0.4 fine-pitch internal threads in CNC machining operations. This tool is engineered for micro threading, precision tapping replacement, and accurate thread profiling in small-diameter holes where conventional taps are unreliable or prone to breakage.

Manufactured from ultra-fine grain solid carbide and coated with a wear-resistant surface, this micro thread mill offers excellent edge sharpness, heat resistance, and long tool life when machining stainless steel, alloy steel, aluminium, brass, copper, titanium, hardened steel, and engineering plastics. The optimized cutting geometry ensures smooth chip evacuation, low cutting forces, and vibration-free threading, even in blind holes and thin-walled components.

The 2 mm thread diameter and 0.4 mm pitch make this tool ideal for electronics components, medical devices, watch parts, aerospace micro components, hydraulic fittings, and precision mechanical assemblies. The D4 shank provides strong rigidity and secure tool holding in CNC collets, allowing stable cutting at high spindle speeds without run-out.

Unlike conventional taps, the THR QM micro thread mill allows right-hand and left-hand threading, thread size adjustment through CNC programming, and produces clean, burr-free threads with excellent surface finish. It also eliminates the risk of tap breakage inside the hole, reducing scrap and downtime in high-value parts.

This tool is suitable for CNC machining centers, VMCs, high-speed milling machines, and Swiss-type lathes, delivering consistent thread quality, accurate pitch, and repeatable results in both prototype and mass production.

The THR QM 2×0.4×D4 is widely used by CNC cutting tools manufacturers, industrial cutting tools suppliers, and precision machining workshops that require high-accuracy micro threading, long tool life, and reliable CNC thread milling performance.