Knife Sharpening Stones or a Machine: Which Does a Better Job?
May 14, 2019· The most common coarse sharpening stone is 220 grit. It''ll remove a large amount of blade material quickly, so it''s often used to grind away a chip or to even set a new bevel angle on a blade. The Japanese call this type of coarse sharpening stone "Arato." A medium grit stone is commonly around 1,000 grit. The Japanese call it "Nakato."