Wedge Anchor System of Measurement Inch Anchor Diameter 1/4 in Thread Size 1/4 In.-20 Overall Length 2 1/4 in Thread Length 1 1/4 in Eyelet Hole Size Not Applicable Material Steel Material Grade/Class Not Graded Finish Zinc Plated Compatible Material Concrete Drill Bit Size 1/4 in Minimum Installation Depth 1 1/8 in Ultimate Shear Strength (4 000 psi Concrete) 1 813 lb Ultimate Tension Strength (4 000 psi Concrete) 2 408 lb Wedge Anchor Type Wedge Anchor Includes -