Amazon: wet grinding wheel
Z-Lion 1 Inch Diamond Drum Wheel Wet Grinding Wheel for Polishing Sink Hole Marble Granite Stone Hole Grinding 5/8-11 Thread(7pcs/set) 3.0 out of 5 stars 1. $116.99 $ 116. 99. Get it Fri, Nov 26 - Mon, Dec 20. FREE Shipping. More Buying Choices $108.99 (2 new offers)