Using a drill bushing size chart for precise holes
Finding the right fit for your jig is much easier once you get a handle on a drill bushing size chart. If you've ever tried to freehand a hole that needed to be perfectly perpendicular or exactly spaced, you know how quickly things can go sideways. A good drill bushing acts as a guide, keeping your bit exactly where it belongs, but if you pick the wrong size, the whole thing is basically useless. ...