Make a Ball Mill in 5 Minutes - InstructablesTheir small ball mill cost between $70 and $80 dollars.For no more than $30 . An electric screwdriver (these are fairly cheap, I got mine for $10) 3. A bolt, a nut.small ball mill electrical,Quick and Easy Black Powder Ball Mill - SkylighterHow to optimize a 6 pound ball mill to safely and effectively ball mill . I knew I needed a ball mill, and that it had to be a relatively small and ... Unplug the cords at the electrical source, not at the ball mill, when you want to stop the mill.
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