For all kinds of metal plates, Fastening field of pipe and other manufacturing industries, Widely used in automobiles, aviation, railway, refrigeration, Elevator, switch, instrument, furniture and other mechanical and electrical and light industrial products assembly. to solve sheet metal, Welding nut of thin pipe is easy to melt, The base material is easy to be welded and deformed, The development of tapping internal thread is easy to slip, It does not need to tap the internal thread, No welding nuts required, High efficiency of riveting, Easy to use.