Epoxy Grip Anchor Material Steel Thread Size 1/4 In.-20 Overall Length 1 5/8 in Drill Bit Size 3/8 in Minimum Installation Depth 1 5/8 in Anchor Diameter 1/4 in Thread Depth 1/2 in Ultimate Shear Strength (4 000 psi Concrete) 1 810 lb Ultimate Tension Strength (4 000 psi Concrete) 3 344 lb System of Measurement Inch Compatible Material Concrete Minimum Hole Depth 1 5/8 in Finish Zinc Plated Manufacturer Location Made in USA Compatible with Manufacturer Model Number M28252601