Threading is one of the most universal, yet complicated machining methods. Taps and dies are the major tools for threading. Taps are for outer threads and dies for inner threads. There are four major kinds of taps including straight fluted taps, spiral fluted taps, spiral pointed taps, thread forming taps. About dies, circular screwing dies are popular but hexagonal dies still used in some place. Most of the threading tools are made of alloy tool steel, HSS or HSS-co, few of them are made of solid carbide for special purpose.

Xiamen quanva tool Co., Ltd specialises in manufacturing threading tools. We regard the quality as our life. Our product precision, function and work life have come up to the advanced world standards. Our main products, machine taps, hand taps and dies, are the provincial "superior quality products". They are sold well in the USA, east Asia, Middle East, Germany, Holland, hongkong and Taiwan ever since entering to the world market in 1978.

We can design and produce a full range of standard threading tools according to the ISO standard, the ANSI/asme standard and the DIN standard. We may be ordered according to the customers' designs, samples and material. We always stand ready to service for the orders.