How to Polish Rocks With a Dremel Drill | eHow UKPlug in the Dremel. Grind the entire surface of the rock with the grinding tip. Use just the top half of the bit to prevent deep scratches. Angle the tool as flat against.how to grind rock with a dremel,How to carve rocks with a dremel — Clumsy CrafterApr 20, 2015 . First you're going to need to gather your rocks and a Dremel with a diamond carving tip and several different sizes of a grinding tip. All of these.
how to grind rock with a dremel