Grinding Stones | McMasterCarr
50 grit: 54 grit: 60 grit: 70 grit: 80 grit: 90 grit: 100 grit: 120 grit: 120240 grit: 150 grit: 180 grit: 220 grit: 240 grit: 250 grit: 280 grit: 300 grit: 320 grit: 325 grit: 400 grit: 600 grit: 800 grit: ... Dremel Grinding Stones. Smoothing and Polishing Stones. Maintain tools, molds, and dies. These stones can be used by hand or in power ...