Make A Ball Mill In 5 Minutes 4 Steps Instructables
Jul 26 2007 step 1 what you need 1 a rugged container you can use pvc pipes or big plastic bottles 2 an electricscrewdriverthese are fairly cheap i got mine for 10 3 a bolt a nut and maybe a washer 4 epoxy putty 5 steel or lead balls which in my case i substituted withscrewdriverbits that i
