Wedge Anchor System of Measurement Inch Anchor Diameter 5/8 in Thread Size 1/2 In.-13 Overall Length 2 1/2 in Thread Length 1 in Eyelet Hole Size Not Applicable Material Steel Finish Plain Compatible Material Brick Concrete Drill Bit Size 5/8 in Minimum Installation Depth 3 1/2 in Ultimate Tension Strength (4 000 psi Concrete) 5 400 lb Wedge Anchor Type Wedge Anchor Manufacturer Location Made in USA Industry Standards FF-S-325. Group II Type 4