Sleeve Anchor System of Measurement Inch Anchor Diameter 1/4 in Overall Length 2 1/4 in Thread Size 3/16 In.-24 Drive Type External Hex Head Type Hex Nut Width 0.375 in Washer Outside Diameter 0.625 in Material Steel Material Grade/Class Not Graded Finish Zinc Plated Drill Bit Size 1/4 in Compatible Material Masonry Minimum Installation Torque 5 ft-lb Maximum Installation Torque 8 ft-lb Minimum Installation Depth 1 in Minimum Hole Depth 1 in Minimum Material Thickness 1/16 in