180mm Turbo Diamond Grinding Cup Wheel Turbo diamond grinding cup wheels are engineered with top grade industrial diamond powders for maximum grinding performance and superior lifespan. Our specially formulaed grinding segments provide a max grinding efficiency at a very low cost to the cup grinding wheel. These turbo diamond cup wheels can be used for a wide range of projects from shaping and polishing of stone surfaces and concrete floors, to fast aggressive concrete grinding or leveling and coating removal. Our brazed turbo cup grinding wheel will fit a variety of small angle grinders with a 5/8''-11, M14 and 22.23mm threaded arbor. Heavy-duty steel core offers lasting durability. This turbo diamond grinding cup wheel can be used for both dry or wet grinding conditions.