Wedge Anchor, System of Measurement Inch, Anchor Diameter 1/2 in, Thread Size 1/2 In.-13, Overall Length 4 1/2 in, Thread Length 2 3/4 in, Material Steel, Material Grade/Class Not Graded, Finish Zinc Plated, Compatible Material Concrete, Drill Bit Size 1/2 in, Minimum Installation Depth 2 1/4 in, Ultimate Tension Strength (4,000 psi Concrete) 5,280 lb, Wedge Anchor Type Wedge Anchor, Seismic Approved No, ICC Approved for Cracked Concrete No, ICC Approved for Un-Cracked Concrete No