Grant Erwin wrote:
wrote:

How would I go about cutting small 1/4 inch square holes in 10 gauge
sheet metal?


If I had to do 2 or 3 holes, I'd drill them undersize and file them. If
I had to do hundreds and hundreds, I'd invest in a square hole punch and
die for a Whitney hand punch. In between? ..

GWE
A Whitney hand punch for 10 gauge!?!?!