Tools lose their edge and become dull. That’s a fact of their existence. But it’s also a fact that they need not stay that way. Sharpening nearly anything, from a shovel to a putty knife to a plane to ...

As a professional woodworker, I’d much rather use my tools than sharpen them, but I know dull or broken bits are unavoidable. I’ve had a toolbox filled with old drill bits, so it was past time to do ...