Quote Originally Posted by lerameur View Post
The problem is that I do not have any square bits that fits on my
drills I mean puncturing a square on the side of a plastic box is time
consuming Vs round. Especially if you are about to do 50+.
Anybody have a trick to make fast and almost perfect square.
Since you are doing 50, one of these might help: http://www.ebay.com/sch/i.html?_nkw=...knockout+punch

Not terribly cheap, but all you do is drill a round hole and you get a perfect square.