Designed for heavy-duty applications, the Flexovit High Performance Type 11 Flaring Cupstone is an essential tool for grinding tasks on steel or concrete surfaces. With a robust aluminum oxide abrasive grain, this grinding wheel excels at snagging and cleaning castings while providing excellent durability for offhand grinding on flat surfaces. Engineered for use with angle grinders, it features a 5/8"-11 threaded arbor for easy spin-on mounting and is capable of operating at a maximum speed of 9072 RPM. Made in the USA, this grinding wheel is a reliable choice for professionals seeking efficiency and performance in their grinding operations.