Marble and All Stones. For Use On Angle Grinders and Hand Machines. Size.TRUPER PIES-63460T 6" Silicon Carbide Bench Grinding Wheels. Grit=60 2019. #16. Aluminum oxide and silicon carbide will effectively cut almost any steel step–down bushings that adjust for 3/4" you'll need to pick a grinding wheel with the right grit. Grit refers to the size of the abrasive particles embedded in the wheel—a coarse 10 grit wheel uses abrasive particles that were sifted through a screen with ten holes per linear inch
