This Bosch Conical Cup Wheel is designed for grinding metal and cast-iron surfaces, as well as resharpening tools. It features a combination of premium abrasive grains and a strong bonding material for strength and durability. The disc is highly efficient for metalworkers, offering a long life. It has a 22.23 mm bore suitable for standard locking nut angle grinders. The wheel is ideal for coarse grinding with a bench grinder at a maximum speed of 8500 rpm. Specifications: Grit: 24, Min. diameter: 90 mm, Max. diameter: 110 mm, Height: 55.0 mm.