Metal grinder is used for grinding pig iron power, compound metal, sendust, zip-top can,PCB, useless battery,etc. Metal GrinderUsable rangeMetal grinder can grind the frangibility metal materials such as pig iron powder, alloy metal, aluminium ferrosilicon powder, bottle cap, zip-top can, PCB, obsolete mobile phone battery, etc. The fineness of output is 20—500mesh, quiet noise, easy maintain. It ...