Hex nut is a fastener with internal thread and used with bolts, a part screwed with bolts or screws for fastening, a mechanical part used to transmit motion or power, and an original that must be used for all production and manufacturing machinery. In addition, hex nuts are the most commonly used nuts in daily life. Hex nut is one of the best selling products in our factory. Our factory mainly produces Bolt, Nut, Screw, threaded rod, etc. Our Company