We love this hacked-together mini drill by [BuenaTec] that uses a DC7.2V 10K-RPM motor with a 1/8” Dremel chuck added on. Power is supplied by a USB-A cable with the data wires cut off ...

[Steven Dufresne], Hackaday writer and the mad scientist behind Rimstar.org, kindly documented how to safely and reliably remove the chuck from a drill motor. You may think this is easy ...

and they require less power from the drill’s motor.” Hole saws and small-bore annular cutters can be used with hand-held drills, but they are likely to perform better in a drill press where ...