Sleeve Anchor System of Measurement Inch Anchor Diameter 3/8 in Overall Length 3 in Thread Size 5/16 In.-18 Drive Type External Hex Head Type Hex Nut Width 0.5 in Washer Outside Diameter 0.883 in Material Steel Material Grade/Class Not Graded Finish Zinc Plated Drill Bit Size 3/8 in Compatible Material Masonry Minimum Installation Torque 22 ft-lb Maximum Installation Torque 26 ft-lb Minimum Installation Depth 1 1/4 in Minimum Hole Depth 1 1/4 in