Howdy, On Thu, 18 Feb 2010, David Scheidt wrote: >> However, I've run across a mystery bolt. Its got 32 tpi, but the diameter >> (thread peak to peak) is ~0.147". That's too big for a 6-32 (max is 0.137) >> and not big enough for 8-32 (min is 0.157). ... > Well, to you. To me, it's just a 3/16 BSF. Wouldn't the diameter of that be 0.188"? Mark