... wheel with steel core1.Diamond grindingwheels are mainly used for grinding and polishing stone products.such as Granite Marble, Sandstone ... , Limestone, etc.Also suitable for Grinding Concrete. Ideal for smoothing and shaping as well as ... as Single Row Cup Grinding Wheel,Double Row Cup Grinding Wheel,Turbo Cup Grinding Wheel,Continuous Type Cup Grinding Wheel, etc.Steel Base ...