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 ...

The build is just a few pieces of wood, drill rod, some hardware and a prop. Definitely not the most complicated build. This isn’t the speediest motor ever when attached to a canoe, and isn’t ...

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 ...