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designations for nuts and bolts Question
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Posted by: smd79

09/03/2004, 10:00:01

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a question about nuts and bolts is how do i figure what the outer dimensions are for a given designation? isnt there just a table or chart that specifies this information?

ie. for a given type of nut and bolt, these are the standard sizes, and these are their dimensions.
ex. 3/8-16 UNC bolt, its 1" long and the nut that fits it is 1/2" long x 1/2" thick (i just made these numbers up). i assume that for the nut, the the thread and inner diameter are the same as the bolt,3/8-16 UNC, right?

and what criteria is used to determine what type of nut and bolt is appropriate to use (if i already know what length of bolt and diameter of shank, how big should the head be, and how thick the bolt)?

thanks for any input and help.

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designations - nuts and bolts
Re: designations for nuts and bolts -- smd79 Post Reply Top of thread Forum
Posted by: randykimball
09/03/2004, 13:00:52

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Yes, there are charts according to the format of the bolt or nut in the Machinery's Handbook.

We aren't supposed to advertise nor promote products on this forum, I only mention this one book because it has become the "bible" for machinery information. I have not been without one since I began my career. I would expect you could view one in a public library if you wish, as they are not cheap. The information you need is near the center of the book (actual page depending on the revision and edition) with numerous other pages about screws, thread forms, nuts, bolt shapes... and so on. It has been a couple of years since I priced one but, ..... I'd expect the price to now be between $65 and $85.


The worst suggestion of you lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

Modified by randykimball at Fri, Sep 03, 2004, 13:02:15

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