Wedge Anchor System of Measurement Inch Anchor Diameter 1 1/4 in Thread Size 1 1/4 In.-7 Overall Length 12 in Thread Length 7 3/4 in Material Steel Material Grade/Class Medium Carbon Finish Zinc Plated Compatible Material Concrete Drill Bit Size 1 1/4 in Minimum Installation Depth 5 1/2 in Minimum Material Thickness 12 in Nut Width Not Applicable Washer Outside Diameter 2.5 in Wedge Anchor Type Wedge Anchor Seismic Approved Yes ICC Approved for Cracked Concrete Yes