China Nut is a kind of mechanical parts used for fastening and connection and is widely used. All kinds of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, construction, structures, things, instruments, appearance and supplies. It is characterized by a wide variety of specifications, different functions and uses, and a high degree of standardization, serialization, and generalization. Therefore, some people refer to a type of fastener that has been nationally standardized as a standardized fastener, or simply as a standardized piece.
Fasteners include: bolts, studs, screws, nuts, washers, pin fasteners, also known as standard parts on the market. It is a type of mechanical part used for fastening and connection. It is extremely widely used. The characteristics of fasteners: a variety of specifications, different functions, and a high degree of standardization, serialization and generalization. Therefore, some people also refer to a type of fasteners that have been regulated by the state (vocational) as standardized fasteners, or simply as standardized parts.
Because the specifications, scale, public service, weight, function, surface condition, symbol method, and acceptance inspection, marking and packaging of each specific fastener product are specified in several countries (occupation) specifications Among them, there are English, German and American systems, for example.
Fasteners are the most widely used mechanical basic parts. As China joined the WTO in 2001 and entered the ranks of international trade powers. China's fastener products are exported to countries all over the world, and fastener products from all over the world are constantly pouring into the Chinese market. Fasteners, as one of the products with a large import and export volume in China, have been integrated with the international market, which has important significance for promoting China's fastener companies to the world and promoting the full participation of fastener companies in international cooperation and competition. Strategic significance.
Fastener is a general term for a type of mechanical parts selected when two or more parts (or components) are fastened and connected into a whole. It is also known as a standard part in the market.
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