Product: Non-standard Mini Thread MillsMaterial: Tungsten Carbide Type: Metric,Website:http://www.chinabettool.com, Imperial, Non-standardProduct Description:M2.5~M6 is available, metric and imperial, it is designed to be small cutting resistance, it can process high precision threads, because the thread mills diameter is small flute, so external cooling is designed.Mini thread mills are suitable for high hardness steel, such as high alloy steel, nickel alloy.We should know customer's working situation, such as materials, hardness, thread size, thread depth and so on.This product will be high precision, good materials are chosen.