Make a Ball Mill in 5 Minutes 4 Steps
Put a little putty on the bolt first. Insert the bolt into the screwdriver s bit holder. Cover the whole joint with putty. The more putty the better the ball mill stays together. Ask Question Step 4 Clamp the Assembly to a Table Top Fill the container with the screwdriver bits or with steel balls or lead balls. Add the chemical you need to grind.
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