Wedge Anchor System of Measurement Inch Anchor Diameter 7/8 in Thread Size 7/8 In.-9 Overall Length 8 in Thread Length 4 in Eyelet Hole Size Not Applicable Material Steel Material Grade/Class Grade 2 Finish Zinc Plated Compatible Material Concrete Drill Bit Size 7/8 in Minimum Installation Depth 4 in Minimum Material Thickness 6 in Ultimate Shear Strength (4 000 psi Concrete) 21 574 lb Ultimate Tension Strength (4 000 psi Concrete) 13 902 lb Nut Width 1.3125 in