... of applications with portable or stationary machines. Choose from wheels for cutting and grinding sheet metal, Depressed Center Wheel, Type 42 ... , Cutting and Grinding, Dia. 9 In., Thickness 1/8 In., Arbor Size 7/8 In., Abrasive Material Aluminum ... , 36 Grit, Resin Bond Type, Max. RPM 8308, For Various Ferrous Metal.For grinding and cutting metal,sainless steel,stone with Angle ...