Sleeve Anchor System of Measurement Inch Anchor Diameter 1/4 in Overall Length 1 3/8 in Thread Size #10 Drive Type External Hex Head Type Hex Nut Width 0.3618 in Washer Outside Diameter 0.557 in Material Steel Material Grade/Class Not Graded Finish Zinc Plated Drill Bit Size Not Applicable Compatible Material Block Concrete Masonry Minimum Installation Torque Not Applicable Maximum Installation Torque Not Applicable Minimum Installation Depth 1 1/8 in