Norton Blue Fire Plus Saucer Depressed Center Abrasive Wheel, Type 28, Zirconia Alumina, 5/8"-11 Hub, 7" Diameter x 1/4" Thickness (Pack of 1)

Depressed Center Wheel, Type 28, Grinding, Diameter 7 In., Thickness 1/4 In., Arbor Size 5/8 In.-11, Abrasive Material Zirconium Aluminum Oxide, 24 Grit, Very Coarse Grade, Max. RPM 8600, Series Blue Fire, Grinding, Weld Blending Grinding and Cutting WheelsType 27, Type 28, and Type 1 wheels, designed for use on right-angle grinders, aggressively remove material by grinding on the periphery. Notching wheels cut on the face of the wheel for cleaning weld joints or cutting out weld for pipe repair.Bluefire Provide faster grinding and up to 3 times the life of aluminum oxide wheels. Made with a blend of aluminum oxide and zirconia alumina. Type 27 Fast Cut/INOX wheels are contaminant-free.