Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 60 Connector Size 1/2 in Connector Type Unthreaded Hole Overall Diameter 7 in Overall Thickness 0.035 in Compatible Tool Type Chop Saw Primary Material Applicationn Cast Iron Steel Tool Steel Series OBNA2 Wheel Type Type 1 Specification A60-OBNA2 Maximum Operating Speed 8 730 RPM Reinforced Status Reinforced Bond Type Resin