Quote Originally Posted by desbromilow View Post
interesting use of the nuts for centering the drills - I thought I had it rough starting out working on top of a wheelie bin.
Yes, to better center the drilling axis, I first used a long nut and a drill that fits exactly in the nut hole. Then, after marking the center, I removed the nut and drilled the drill diameter I needed. It turns out as accurately as possible without using a lathe.