Norton Depressed Centre Grinding Wheels, 9" X 1/4" X 7/8", 6600 Max. RPM, 27 Type (66253021633)

Depressed Centre Grinding WheelsPremium, combination of Norton SG (ceramic aluminum oxide) and NorZon (zirconia alumina)Up to 10 times the performance of aluminum oxide wheelsAdvanced bond system providing the fastest cutting zirconia wheel on the market; easy on the operator and equipment ; Typical ApplicationsMetal fabricationPetrochemical maintenanceAll-weld grindingShipbuildingFoundry - notching and removing gates and risersPipeline - root pass grinding, pipe bevelling and repairConstruction - masonry/concrete fabrication