Wedge Anchor System of Measurement Inch Anchor Diameter 3/8 in Thread Size 3/8 In.-16 Overall Length 2 1/4 in Thread Length 3/4 in Material Steel Material Grade/Class Not Graded Finish Zinc Plated Compatible Material Concrete Drill Bit Size 3/8 in Minimum Installation Depth 1 1/2 in Ultimate Tension Strength (4 000 psi Concrete) 3 300 lb Wedge Anchor Type Wedge Anchor Seismic Approved No ICC Approved for Cracked Concrete No ICC Approved for Un-Cracked Concrete No