Expansion Anchor Anchor Diameter 7/8 in Overall Length 2 3/16 in Screw Size 1/2 in Thread Size 1/2 In.-13 Thread Depth 2.1875 in Thread Type Coarse Material Zinc Alloy Finish Plain Drill Bit Size 7/8 in Minimum Installation Depth 2 3/16 in Ultimate Shear Strength (4 000 psi Concrete) 6 500 lb Maximum Ultimate Shear Strength 6 500 lb Ultimate Tension Strength (4 000 psi Concrete) 7 550 lb Maximum Ultimate Tension Strength 7 550 lb System of Measurement Inch