The best place other than the machinery supply house is the model supply
place. Model train people do a bit of tapping on occasion and any of the
good train stores will have the drills, taps and dies as well as a decent
assortment of screws down to 00-90. The machinery supply places usually
stop the tap sizes at 0-80 although the drill bits go to #80 in the small
end.

--
Why isn't there an Ozone Hole at the NORTH Pole?