Read more: 8 Hammer Types And When To Use Them Using the wheel on a benchtop grinder is the best way to sharpen drill bits. It's fast, easy, and accurate. At a minimum, you want to restore your ...

They include over-sharpening, overheating the metal, and positioning it incorrectly. Dull drill bits won't do the best job — or may not drill through the material altogether. You also run the ...