Wedge Anchor System of Measurement Inch Anchor Diameter 1 in Thread Size 1 In.-8 Overall Length 12 in Thread Length 8 3/8 in Material Steel Material Grade/Class Medium Carbon Finish Zinc Plated Compatible Material Concrete Drill Bit Size 1 in Minimum Installation Depth 4 1/2 in Minimum Material Thickness 10 in Nut Width Not Applicable Washer Outside Diameter 2 in Wedge Anchor Type Wedge Anchor Seismic Approved Yes ICC Approved for Cracked Concrete Yes