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 Post subject: Screws or bolts?
PostPosted: Sun Jan 27, 2013 5:07 am 
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Joined: Sun Aug 26, 2012 10:01 am
I've bought Greg's mini Square-1 & prisminx, but haven't assembled them yet. I have what my granddad told me were bolts rather than screws, and all the hardware shops tell me that M1 screws don't exist, only bolts. Is there a major difference? This puts me off buying DIY kits from shapeways. :(

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 Post subject: Re: Screws or bolts?
PostPosted: Sun Jan 27, 2013 5:17 am 
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Joined: Mon Mar 30, 2009 5:13 pm
Screws have pointed tips for tapping into wood, while bolts have flat ends for pre-existing holes. So most puzzles use bolts rather than screws, although everyone seems to wrongly call them screws when they mean bolts, probably including Shapeways. Your granddad is correct. :)

Screws also tend to have wider threads than bolts, to generate more driving force when tapping into solid wood.

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 Post subject: Re: Screws or bolts?
PostPosted: Sun Jan 27, 2013 5:21 am 
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Fantastic! :D I am going to be buying more shapeways puzzles soon then! :lol:

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 Post subject: Re: Screws or bolts?
PostPosted: Sun Jan 27, 2013 5:29 am 
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In short, screws are better designed to make new holes in soft material, while bolts are better designed to stay in place within pre-existing holes in hard material. :wink:

EDIT: Apparently there is no universally accepted distinction between a screw and a bolt, so my comments above reflect only my own personal views:

http://en.wikipedia.org/wiki/Screw#Diff ... _and_screw

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