DSM Stone Hammer Mill,Hammer Mill For Sale. The DSM series of stone hammer mills are ideal for coal and soft mineral crushing applications. They are high capacity stone hammer mills.Used hammer mill for sale stone crusher machine. used hammer mill for sale stone crusher machine. Used hammer mills for sale the job of a hammer mill is to shred or crush material into smaller pieces by the repeated blows of small hammers mounted on a vertical or horizontally rotating shaft the material is passed through the chamber of the hammer mill and once the desired size is reached, it.