Wedge Anchor System of Measurement Inch Anchor Diameter 7/8 in Thread Size 7/8 In.-9 Overall Length 8 in Thread Length 4 3/4 in Material Steel Material Grade/Class Medium Carbon Finish Zinc Plated Compatible Material Concrete Drill Bit Size 7/8 in Minimum Installation Depth 3 7/8 in Minimum Material Thickness 10 in Nut Width 1.3125 in Washer Outside Diameter 1.75 in Wedge Anchor Type Wedge Anchor Seismic Approved Yes ICC Approved for Cracked Concrete Yes