Wedge Anchor, System of Measurement Inch, Anchor Diameter 1/2 in, Thread Size 1/2 In.-13, Overall Length 5 1/2 in, Thread Length 4 in, Material Steel, Material Grade/Class Not Graded, Finish Zinc Plated, Compatible Material Concrete, Drill Bit Size 1/2 in, Minimum Installation Depth 1 7/8 in, Minimum Material Thickness 5 in, Ultimate Shear Strength (4,000 psi Concrete) 4,760 lb, Ultimate Tension Strength (4,000 psi Concrete) 5,100 lb, Wedge Anchor Type Wedge Anchor, Seismic Approved Yes