Wedge Anchor System of Measurement Inch Anchor Diameter 1 in Thread Size 1 In.-8 Overall Length 9 in Thread Length 2 1/2 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 Shear Strength (4 000 psi Concrete) 22 820 lb Ultimate Tension Strength (4 000 psi Concrete) 20 180 lb Wedge Anchor Type Wedge Anchor Seismic Approved No ICC Approved for Cracked Concrete No