Bolt: A fastener consisting of a head and a screw, usually used in conjunction with a nut.

 

 

 

Stud: A fastener with threads on both ends.

 

 

 

Screw: A fastener composed of a head and a screw, divided into machine screws, set screws, and special purpose screws.

 

 

 

Nut: With internal threaded holes, used in conjunction with bolts and studs.

 

 

 

Self tapping screw: Similar to machine screws, but the thread on the screw is a special thread for self tapping screws.

 

 

 

Wood screw: The thread on the wood screw is a specialized thread that can be directly screwed into the wooden component.

 

 

 

Washers: A type of fastener in a circular shape, placed between nuts, bolts, screws, and supports.

 

 

 

Retaining ring: It serves to prevent the movement of parts on the shaft or hole.

 

 

 

Pin: mainly used for part positioning.

 

 

 

Rivet: A fastener composed of a head and a nail rod. Used to connect two parts with holes for fastening, non detachable.

 

 

 

Assembly parts and connecting pairs: Assembly parts refer to the fasteners supplied by the assembly; The connecting pair is a fastener provided by a combination of specialized bolts and nut washers

 

 

 

Welding nail: Heterogeneous fastener, fixed and connected to one part by welding method for easy connection with other parts