Ball Mill From Mainly Recycled Parts : 11 Steps
2. 2quot;x4quot; Amount will vary with the size of the mill. 3. Pulleys(4) and Belts(2) Size will also vary. I was able to salvage mine from a old washer. 4. Ball Bearings(4) You may be able to get some from old junk or buy the cheaply. 5. Switch(1) Get a standard light switch. 6. Wire nuts and electrical tape Hardware store. 7.