Wedge Anchor System of Measurement Inch Anchor Diameter 1/2 in Thread Size 1/2 In.-13 Overall Length 7 in Thread Length 5 1/4 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain 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