Fasteners are a type of mechanical component widely used for fastening connections. Fasteners are widely used in various industries, including energy, electronics, electrical appliances, machinery, chemical, metallurgy, molds, hydraulic, and more. They can be seen in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments, and supplies. They are the most widely used mechanical basic components. Its characteristics are a wide variety of specifications, diverse performance and uses, and a high degree of standardization, serialization, and generalization. Therefore, some people also refer to a type of fastener that already has national standards as standard fasteners, or simply standard components.
