Diamond cup wheel (some places also call it as diamond cup or diamond cup wheel). It is widely used on the angle grinder and floor grinders, for grinding different hardness of concrete. The standard sizes are 100mm, 115mm, 125mm, 150mm, and 180mm. The different layout of diamond segments forms different types of diamond cup wheel, such as the classical single row type and double row type. The common diamond grits are 36#, 46#, and 60#. This tornado type 7 inch diamond cup wheel is designed with a total of 18 diamond segments, including 9 long segments and 9 short segments. Holes on the steel body helps to reduce the weight, save shipping fees and powers. Sunny Superhard Tools provides you with all kinds of high-quality diamond cup wheels, and you can download the diamond cup wheel catalog from here. 7 inch (180mm) diamond cup wheel for grinding concrete Grinding concrete efficiently with 18 pieces of diamond segment High performance & low power consumption Strict inspection and good packaging Optional Specifications: Optional size 100mm, 115mm, 125mm, 150mm, 180mm Optional connection 22.23mm, M14, and 5/8"-11 Optional diamond grit 36#, 46#, 60# and others Optional bond type extremely soft, very soft, soft, medium soft, hard, and very hard SYF-K06