2021-03-23
Fastener is a general term for a class of mechanical parts used when two or more parts (or components) are fastened and connected into a whole.
Fastener is a kind of mechanical part which is used for fastening and connection and widely used. Various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, instruments and supplies. It is characterized by various varieties, specifications, different performance and use, and the standardization, serialization and generalization of seed degree is also very high. Therefore, some people call the standard fastener or the standard part for short.
Fasteners include: bolts, studs, screws, nuts, washers, pins
Fasteners, also known as standard parts in the market. It is a kind of mechanical parts used for fastening and connection, and it is widely used. The features of fasteners are: various types and specifications, different performance and uses, and the degree of standardization, serialization and generalization is very high. Therefore, some people also call the standard fastener, which has already been a national (industry) standard, or standard fastener.
Due to the specification, size, tolerance, weight, performance, surface condition, marking method of each specific fastener product, as well as the specific requirements for acceptance inspection, marking and packaging, it is stipulated in several national (industry) standards, such as British system, German system and American system.
Fasteners are the most widely used mechanical foundation. With China's accession to WTO in 2001 and entering the ranks of international trade powers. The fastener products exported to the world and all ove