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 Medium Carbon Finish Hot Dipped Galvanized Compatible Material Concrete Drill Bit Size 1/2 in Minimum Installation Depth 2 in Minimum Material Thickness 4 in Nut Width 0.75 in Washer Outside Diameter Not Applicable Wedge Anchor Type Wedge Anchor Seismic Approved No ICC Approved for Cracked Concrete No