Diamond cup wheel 1Type: 30/40,70/80,140/200 2,Diameter: 3'', 4'', 5'' , 6",7" 3,Thread:M10,M12,M14,M16,5/ ... cup wheels are ideal for cutting on concrete, masonry materials and medium hard stone. The turbo cup wheel is specially engineered for ... , such as Marble, Granite, Concrete, Reinforced concrete, Asphalt, etc. Diamond Cup Wheel, Diamond Grinding Wheel, Grinding Cup Wheel, Abrasive Wheel