Wedge Anchor System of Measurement Inch Anchor Diameter 1 in Thread Size 1 In.-8 Overall Length 9 in Thread Length 3 7/8 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain Compatible Material Concrete Drill Bit Size 1 in Minimum Installation Depth 4 1/2 in Ultimate Tension Strength (4 000 psi Concrete) 15 840 lb Wedge Anchor Type Wedge Anchor Seismic Approved No ICC Approved for Cracked Concrete No ICC Approved for Un-Cracked Concrete No Includes Nut Washer