Application of fasteners

Fasteners are a type of mechanical parts that are used for fastening connections and are widely used. A wide variety of fasteners can be seen on all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies. It is characterized by a wide range of varieties and specifications, different performance and uses, and a very high degree of standardization, serialization and generalization. Therefore, some people also call a type of fastener that has national standards standard fasteners, or standard parts for short. Fasteners are the most widely used mechanical basic parts. With China's accession to the WTO in 2001 and its entry into the ranks of major international trade countries. China's fastener products are exported to countries around the world, and fastener products from all over the world are also constantly pouring into the Chinese market. As one of the products with a large import and export volume in China, fasteners are in line with international standards, which is of great practical and strategic significance for promoting Chinese fastener enterprises to the world and promoting the full participation of fastener enterprises in international cooperation and competition.　Due to the specifications, dimensions, tolerances, weight, performance, surface conditions, marking methods, and specific requirements of items such as acceptance inspections, marking and packaging of each specific fastener product.