Quick and Easy Black Powder Ball Mill — Skylighter, Inc.
I remember 20 years ago when I was just starting out in this hobby, and the first ball mill I tried to use. I knew I needed a ball mill, and that it had to be a relatively small and inexpensive investment back then: ... There is plastic tubing available which is 1/2inch ID and 3/4inch OD. A length of this larger tubing can simply be slid over ...