Sharpen Your Drill Bits: 19 Steps (with Pictures)
In theory, hold the bit with the shank angled off to the left at about 59 degrees. As the bit contacts the grinding wheel, simultaneously move the shank farther left and downward while twisting it clockwise. I have tried, but I have never been able to make it work for me. I bought this bit sharpening tool almost 30 years ago for less than 20.