Cylindrical pin nuts are fasteners used to fix and connect mechanical parts. They are usually used in conjunction with cylindrical pins to ensure the relative position fixation and power transmission between parts. Cylindrical pin nuts are widely used in the assembly process of various mechanical equipment, mainly used to fix parts, transmit power and serve as positioning elements. They play a vital role in combined processing and assembly, and can accurately fix the relative position between parts. Cylindrical pin nuts are widely used in various mechanical equipment due to their simple structure, good centering, strong load-bearing capacity and good load and impact performance.