29 December 2007, 09:12
jb177Drill Bit size for Stoney Point tool
What size drill bit is needed for the 5/16-36 tap? I need to make up some more cases.
29 December 2007, 21:49
pdpdadProper size is .282-.286 diameter.
Best fit is 9/32 at .2812 or "K" at .2811 or
7.2mm at .2835.
I=.2720 not a problem in a soft metal.
Pat