Fasteners are a type of mechanical parts used for fastening connections, and are widely used. The characteristics of fasteners: there are many varieties and specifications, different performances and uses, and the degree of standardization, serialization and generalization is extremely high. Therefore, some people also refer to a class of fasteners with existing national (industry) standards as standard fasteners, or standard parts for short.
       Due to the specifications, dimensions, tolerances, weight, performance, surface conditions, marking methods, and specific requirements for acceptance inspection, marking, and packaging of each specific fastener product, they are stipulated in several national (industry) standards. , such as British, German and American.
       Fasteners are the most widely used basic mechanical parts. With my country's accession to the WTO in 2001, it has entered the ranks of international trade powers. my country's fastener products are exported to countries all over the world in large quantities, and fastener products from all over the world are also pouring into the Chinese market. As one of the products with a large import and export volume in my country, fasteners are in line with international standards, which is of great significance and significance for promoting Chinese fastener companies to go global and promoting fastener companies to fully participate in international cooperation and competition. strategic significance.
       Fasteners are a general term for a class of mechanical parts used to fasten two or more parts (or components) into a whole. Also known as standard parts in the market.