84922-Silicon-Carbide-Grinding-Stone - Product Details - dremelProduct Specifications. Dremel silicon carbide Grinding Stone. Designed to grind and etch stone, glass, ceramics, porcelain and non-ferrous metals. Two stones.dremel silicon carbide grinding stone,Dremel 84922 Silicon Carbide Grinding Stone - Power Rotary Tool .Product Description. The Dremel 1/8 in. Silicon Carbide Grinding Stone is designed for sharpening, deburring and grinding very hard materials, such as.