Disc mill Wikipedia A disc mill is a type of crusher that can be used to grind, cut, shear, shred, fiberize, pulverize, granulate, crack, rub, curl, fluff, twist, hull, blend, or refine It works in a similar manner to the ancient Buhrstone mill in that the feedstock is fed between opposing discs or plates The discs may be grooved, serrated, or spiked Applications Typical applications for a ...