... aggressively remove material by grinding on the perip Grinding Wheel/Abrasive disc, grinding, Dia. 9 In., Thickness 1/ ... In., Abrasive Material Aluminum Oxide, 24 Grit, Resin Bond Type, Max. RPM 8308, For Use With Angle Grinder, ... Thickness1/4 In.Arbor Size7/8 In.Abrasive MaterialAluminum OxideGrit24Bond TypeResinMax. RPM8308ApplicationGeneral Purpose MetalCountry of OriginChina abrasive disc grinder