To sharpen an auger bit, you need a specialized auger-bit file. Hold the auger bit upright in a vise, then file the bit’s lip with the file’s edge [1]. Turn the auger bit in the vise and sharpen the ...
An image of a man grinding a drill bit on a bench grinder - Best_Stocker/Shutterstock If you're a professional craftsperson or even just an ambitious do-it-yourself ...