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Re: Ford 901 Select O Speed Mystery

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Sean in PA

05-16-2013 08:27:43

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Perfectly round has the most contact surface, but I don't think that a round nut and a round socket would be much good though. :roll:
Seriously though, no matter how tight the tolerances are between the socket and the nut, there has to be a small amount of gap in order for the socket to fit over the nut, and so the entire flat side does not make contact when you are turning the nut with the socket. The socket always cocks a small amount and you end up with only a small amount of metal-on-metal contact near the end of each flat, so the more of those flat sides you have (up to a point) the more metal-on-metal contact you actually end up with.

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05-16-2013 22:15:10

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 Re: Ford 901 Select O Speed Mystery in reply to Sean in PA, 05-16-2013 08:27:43  
Hello Sean , That is an excellent example and explanation about the sockets , it made me think of a Video Snap-On used to show about their 6 Point and 12 Point sockets and wrenches explaining all of the force to loosen or tighten a bolt or a nut is right on the top edge of each flat regardless of which direction your are turning . I think later on Sears / Craftsman adopted a similar video too . Thanks Tony

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05-16-2013 08:53:43

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 Re: Ford 901 Select O Speed Mystery in reply to Sean in PA, 05-16-2013 08:27:43  
A round bolt is the worst bolt!!
Well I will always prefer a 6 point. I still believe it is harder to strip a 6pt verses a 12pt.
This post was edited by Jchampiii at 14:46:42 05/16/13.

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