Screw Anchor, Anchor Diameter 1/2 in, Overall Length 3 in, Head Type Hex, Head Width 0.75 in, Head Diameter Not Applicable, Drive Type External Hex, Material Stainless Steel, Finish Plain, Material Grade/Class 410, Removable Removable, Compatible Material Concrete, Drill Bit Size 7/16 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Maximum Material Thickness 1/2 in, Maximum Ultimate Shear Strength 7,380 lb, Maximum Ultimate Tension Strength 4,236 lb