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 ...
Centre for Biologics Evaluation, Biologics and Radiopharmaceutical Drugs Directorate, Heath Canada, Ottawa, Ontario K1A 0K9, Canada ...