Introduction to fasteners

Fasteners are a class of mechanical parts that are used for fastening and are widely used. Fasteners, used in a wide range of industries, including energy, electronics, electrical, mechanical, chemical, metallurgy, mold, hydraulic and other industries, in a variety of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments , chemical, instrumentation and supplies, etc., can see a wide range of fasteners, is the most widely used mechanical basic parts. It is characterized by a wide variety of specifications, different performance uses, and the degree of standardization, serialization, and generalization is also extremely high. Therefore, some types of fasteners with existing national standards are also referred to as standard fasteners, or simply as standard parts.