Grinding Stones for Granite and Marble
Grinding Stones. Our silicon carbide grinding stones are designed for dry grinding and smoothing of natural stones, such as granite and marble. We offer 6 different grits: 24 grit, 46 grit, 60 grit, 80 grit, 120 grit and 220 grit. Sizes are 4" x 2" (OD x H) and 1.5" x 3" (OD x H) for grinding of tight radius. 5/8-11 Thread.