Fastener is a kind of mechanical parts used for fastening and connection and widely used
Fasteners are a type of mechanical parts that are used for fastening connections and are widely used. All kinds of fasteners can be seen on various 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 performances and uses, and the degree of standardization, serialization, and generalization is also extremely high. Therefore, some people also refer to a class of fasteners with existing national standards as standard fasteners, or simply as standard parts. 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 practical significance and significance to promoting Chinese fastener companies to go global and promoting fastener companies to fully participate in international cooperation and competition. strategic significance. Due to the specification, size, tolerance, weight, performance, surface condition, marking method of each specific fastener product, as well as the specific requirements of items such as acceptance inspection, marking and packaging.