· Large appliance to store in your kitchen; Prices of Wheat Grinders (Grain Mills) Manual Wheat Grinders. Low: 2030 models will not grind flour, only coarse corn meal, etc. Not very useful. Medium: 75225 is a good price range. Victorio Basic Hand Mill can be found for around 70. It can grind fine enough for bread flour but not for very fine cake flour. The .