Hello all, I have a piping spool piece with a 150lb flange that is 1" thick and 12" diameter.
I would like to drill a 1/8" pilot hole through the flange (radially) and then add a 1/4" NPT tap at the end for a plug.
Some calcs, the 1/4" NPT tap is approx 7/16" diameter, meaning there is still...