U Unsickle Golden Member Feb 1, 2000 1,016 0 0 Mar 1, 2001 #1 I don't have any info on standard thread sizes handy...
R Ronstang Lifer Jul 8, 2000 12,493 18 81 Mar 1, 2001 #2 A #10 bolt or screw fits nicely in a 3/16 hole.
R RossGr Diamond Member Jan 11, 2000 3,383 1 0 Mar 1, 2001 #3 According to my index a #11 drill, or .191" diameter is the standard.