i chuck the set screws in my handheld drill.
last time i drilled some, i actually just put the drill bit in a regular vise, set screw in the drill, drill in one hand and the other hand spanned the drill and the vise to keep steady...

also, most common i think are 1/8" long screws for IFR's and 1/8" or 3/16" long screws for the t-slot

Last edited by krautrock; 05/25/18 11:46 AM.