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, For Use With Mfr. Model Number M28252601