Posted by Jim Anderson [162.158.74.36] on Wednesday, May 16, 2018 at 22:56:28 :
In Reply to: Re: U-bolts revisited posted by Daryl in Oz [162.158.2.19] on Wednesday, May 16, 2018 at 21:17:33 :
If I remember my engineering classes from a long time ago, a general rule of thumb is that the first 3 threads take 90% of the load (the first taking ~50%).