Fasteners generally include the following 12 categories: bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, retaining rings, pins, rivets, assemblies and couplings and welding nails.
Effects of various parts of fasteners:
Bolt: a fastener composed of a head and a screw, generally used in cooperation with a nut;
Studs: fasteners with threads on both ends;
Screws: Fasteners composed of head and screw, divided into machine screws, set screws and special purpose screws;
Nut: with internal threaded hole, cooperative bolt, stud application; Suzhou fastener
Self-tapping screws: similar to machine screws, but the thread on the screw is dedicated for self-tapping screws;
Wood screw: The thread on the wood screw is a special thread, which can be directly screwed into the wood;
Washer: a type of fastener with a circular ring shape, placed in the center of the nut, bolt, screw and support;
Retaining ring: It prevents the parts on the shaft or hole from moving;
Pin: mainly used for positioning parts; Suzhou fasteners
Rivet: A fastener consisting of a head and a nail rod. Used to connect and fasten two parts with holes without disassembly;
Assemblies and coupling pairs: Assemblies refer to the fasteners supplied in combination; coupling pairs are fasteners supplied with special bolts and nut washers
Welding nail: a different kind of fastener, fixedly connected to one part by welding method, so as to be connected with other parts.
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