Introduction to fasteners

Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc. Various types of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies, etc. They are the most widely used mechanical basic parts. Its characteristics are a wide variety of varieties and specifications, different performances and uses, and a high degree of standardization, serialization and generalization. Therefore, some people call a type of fasteners with national standards standard fasteners, or simply standard parts.