A nut is a nut, which is screwed together with a bolt or screw for fastening. All components necessary for production and manufacturing machinery are divided into carbon steel, stainless steel, non-ferrous metals (such as copper) and other types according to different materials.
Automobile industry compressor construction machinery wind power generation equipment agricultural machinery foundry industry drilling equipment shipbuilding industry military mining equipment
Petroleum drilling rig utilities rail transit transmission system metallurgical equipment