Wedge Anchor System of Measurement Inch Anchor Diameter 1 1/4 in Thread Size 1 In.-8 Overall Length 5 1/4 in Thread Length Not Applicable Eyelet Hole Size Not Applicable Material Steel Material Grade/Class Grade 2 Finish Zinc Plated Compatible Material Concrete Drill Bit Size 1 1/4 in Minimum Installation Depth 6 1/2 in Minimum Material Thickness 8 in Ultimate Shear Strength (4 000 psi Concrete) 19 137 lb Ultimate Tension Strength (4 000 psi Concrete) 28 921 lb