RocketMan said:
The guide that I've been reading on building the electric brewery says to use the step drill to make a hole just big enough to fit the shank of a punch through and then to use the punch to make the final hole. The punch does a better, more accurate job of it. They recommend using GreenLee Chassis or Radio punches like this:
Greenlee are great if you have to do it often, like electricians ...
Each one's like $40-50, I think, though ...
A step bit is $10-15 and does a bunch of sizes ...
Ozzy2001 said:Those work really well. We use those to make holes for electric work. Sometimes you need an extra/bigger hole in a panel box.
Exactly.