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→Screws v/s Bolts
Both screws and bolts are externally threaded fasteners. <br \>
A bolt is designed for insertion through holes in assembled parts. It is normally intended to be tightened or released by torquing a nut. <br \>
A screw is capable of being inserted into holes in assembled parts, of mating with a preformed internal thread or forming its own thread. It can be tightened or released by torquing the head. A nut is not required. <ref>A bolt is an externally threaded fastener designed for insertion through holes in assembled parts, and is normally intended to be tightened or released by torquing a nuthttp://www. A screw is an externally threaded fastener capable of being inserted into holes in assembled parts, of mating with a preformed internal thread or forming its own thread, and of being tightened or released by torquing the headthreadall. com/bolts </ref> <br \>
[[File:Screw3.jpg|thumb|left|300px|Screw. Image reproduced from [https://commons.wikimedia.org/wiki/File:Phillips_screw.jpg here]]]
[[File:Bolt2.jpg|thumb|center|300px|Bolt. Image reproduced from [https://commons.wikimedia.org/wiki/File:Bolt_nut.jpg here]]]