BIG SNIP
. You can also chain drill, although I hate drilling sheet metal.

GWE
Grant,
Next time you need to drill holes in sheet metal go buy a "Bullet"
Drill. These are (were?) made by Balck and Decker. Anyway, they have a
grind on them like an endmill except they have a small split point
that extends away from the drill face. When drilling you end up with a
little washer. They are great for drilling sheet metal.
ERS