Screw Anchor, Anchor Diameter 3/8 in, Overall Length 3 in, Head Type Hex, Head Width 0.56 in, Head Diameter Not Applicable, Drive Type External Hex, Material Steel, Material Grade/Class Grade 5, Removable Yes, Compatible Material Concrete, Drill Bit Size 5/16 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Maximum Material Thickness 1 1/2 in, Maximum Ultimate Shear Strength 3,416 lb, Maximum Ultimate Tension Strength 1,968 lb, Minimum Installation Depth 1 1/2 in