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Tech 101: Nuts and Bolts, Nuts and Bolts

Posted March 18, 2013 9:30 AM by dstrohl
Pathfinder Tags: Fasteners hardware nuts bolts Tech 101
User-tagged by 1 user

Even veteran gearheads tend not to think too much about nuts and bolts. As long as they go together and stay together, that's good enough for many of us, but there's plenty more to them than that, as the two videos in this week's Tech 101 session show. Sure, they're not exhaustive on the topic, but the first, uploaded by AustralianBolts, goes over the basic nomenclature for bolt anatomy and bolt grading, while the second, produced and uploaded by AppliedBolting, illustrates just a couple of the many factors that go into bolt performance.

Watch the video on Hemmings!

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Engineering Fields - Nuclear Engineering - New Member

Join Date: Sep 2009
Location: Louisville, OH
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Re: Tech 101: Nuts and Bolts, Nuts and Bolts

03/19/2013 11:52 AM

I certainly do think about the fasteners on my old stuff! How do you reproduce the older style of bolt with the larger XF dimension and the domed head? The XF dimension is often achieved by using a Heavy Hex bolt, but the head height and the domed head are not there. If you take an existing HH bolt and weld the head, then machine it to the proper height and dome, how do you know the strength hasn't been ruined by the welding heat?

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