B.B. wrote:

#16 drill bit. ... So far I've been sticking with relatively
low speed and high pressure. Is that the best way to do it, or should I
trade off for more speed/less pressure? A HSS bit will go about 40-50
holes before getting uselessly dull,



Try high speed (around 2500 rpm) and enough pressure that the drill is
cutting continuously rather than just spinning against the metal. You
should get a lot more than 50 holes out of a bit unless you hit a weld.


--
-- Steve