Wedge Anchor System of Measurement Inch Anchor Diameter 1/2 in Thread Size 1/2 In.-13 Overall Length 5 1/2 in Thread Length 4 in Material Steel Material Grade/Class Not Graded Finish Zinc Plated Compatible Material Concrete Drill Bit Size 1/2 in Minimum Installation Depth 1 7/8 in Minimum Material Thickness 5 in Ultimate Shear Strength (4 000 psi Concrete) 4 760 lb Ultimate Tension Strength (4 000 psi Concrete) 5 100 lb Wedge Anchor Type Wedge Anchor Seismic Approved Yes