The wing nut is actually a type of nut with a small wing shape, which has a good aesthetic effect. When using wing nuts, there is no need to use other tools and they can be disassembled and assembled directly by hand. wing nuts are used together with bolts or screws of the same specification and model, mainly as a component for connecting and fastening machinery in production and manufacturing machinery. wing nuts, also known as hand tightened nuts, usually do not require other tools and can be installed and disassembled directly by hand,It is very convenient to use. In general, wing nuts are often used in positions where the tightness is frequently adjusted. The surface of wing nuts is sometimes galvanized, some nickel plated, some silver plated, or some processed using processes such as bluing and electric painting. wing nuts are widely used in many fields such as construction, machinery, railways, steel, and power plants. The national standard for butterfly nuts is the circular wing shape standard GB/T62.1-2004, and the square wing shape standard GB/T62.2-2004,GB/T62.3-2004,
The standard used for wing nuts manufactured by die casting is GB/T62.4-2004.
