Stock: stud, 316L stainless steel stud bolt the Hongyuan tube industry long-term product: stud piece stainless steel the the bolt eyelet bolt (Contact Person: Feng Hongmei Contact: 15,932,713,817 QQ: 1763757819) role: head and screw (with the externally threaded cylinder) two-part type fasteners, the need with a nut for fastening to connect the two parts with a hole. This connection form said bolt connection. If the nut from the bolt rotation, but also so that the two parts separate, it bolted connections are detachable connection. Hexagon head, round, square head, countersunk head, etc. Some bolt not threaded rod of light to be meticulous, and called waist bolts. This bolt is conducive to the inotropic join. Special high strength bolts in the steel structure, the head will be bigger, the size change. Another special use: T-shaped slot bolts, jigs and fixtures used up, special shape, the side of the head to be cut off. Anchor bolts for the machine and the ground connection fixed, there are a variety of shapes. U-bolts, such as the foregoing. And so on. Dedicated stud welding, a thread no one, can be welded on the part, the other side of the nut directly. The company mainly engaged in the pipes of various materials: 304,304 L, 316,316 L, 321,310 S ,18-8, 16Mn, 20 #, 20G, 12Cr1MoVG, P91, 10CrMo910, 15CrMo 1 Quality: has passed ISO9001 international certification , pressure vessel manufacturing license