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→Screws v/s Bolts
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 nut. <br \>
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 head. <br \>
[[File:Screw2Screw3.pngjpg|framethumb|left|300px|Screw. Image reproduced from [https://commons.wikimedia.org/wiki/File:Phillips_screw.jpg here]]][[File:BoltBolt2.jpg|framethumb|center|300px|Bolt. Image reproduced from [https://commons.wikimedia.org/wiki/File:Bolt_nut.jpg here]]]
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