Screw Anchor Anchor Diameter 1/2 in Overall Length 6 in Head Type Hex Drive Type External Hex Material Steel Finish Zinc Plated Material Grade/Class Case Hardened Removable Removable Compatible Material Concrete Drill Bit Size 1/2 in Screw Anchor Type Concrete Screw Anchor System of Measurement Inch Maximum Material Thickness 3 3/4 in Maximum Ultimate Shear Strength 9 070 lb Maximum Ultimate Tension Strength 4 758 lb Minimum Installation Depth 2 in Body Length 6 in