Fastener is a kind of mechanical parts widely used for fastening and connecting. In all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, meters and supplies, you can see all kinds of fasteners. It is characterized by a wide variety of specifications, different performance and use, and high degree of standardization, serialization and generalization. Therefore, some people refer to a kind of fasteners with national standards as standard fasteners, or referred to as standard parts for short. Fasteners include: bolt, stud, screw, nut, washer and pin
Fasteners, also known as standard parts on the market. Fastener is a kind of mechanical parts used for fastening and connection, which is widely used. The characteristics of fasteners are: a wide variety of specifications, different performance and use, and a high degree of standardization, serialization and generalization. Therefore, some people refer to the existing national (industry) standard fasteners as standard fasteners.
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