The self-centering drill bit for predrilling screw holes ensured that we had the perfect screw placement and that the screws snugged down flush with the hinge surface.

Self-Centering Drill Bit for Wood A screw needs to be driven into the center of a hinge hole because, if it’s not centered, the first screw driven will pull the hinge out of position.

Glass drill bits allow anyone to create perfect holes in glass, without cracking or shattering your workpiece. Here are our recommendations for the best ones.