Fasteners

Fasteners are a type of mechanical parts used for fastening connections and are widely applied. Fasteners are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulics, and others. They can be found on various mechanical devices, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical products, instruments, and supplies. They are the most widely used basic mechanical components. Their characteristics include a wide variety of types and specifications, diverse performance and uses, and a very high degree of standardization, serialization, and generalization. Therefore, some people refer to a certain type of fasteners that have already been standardized as standard fasteners, or simply as standard parts.