Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 36 Connector Size 5/8 in Connector Type Unthreaded Hole Overall Diameter 4 in Overall Thickness 0.0625 in Compatible Tool Type Die Grinder Primary Material Applicationn Cast Iron Stainless Steel Steel Series A36T Wheel Type Type 1 Maximum Operating Speed 19 000 RPM Reinforced Status Reinforced Bond Type Resin