Screw Anchor Anchor Diameter 3/4 in Screw Size 8 in Overall Length 8 in Thread Length 4 1/4 in Head Type Hex Head Width 1.125 in Head Height 0.67 in Drive Type External Hex Material Steel Finish Galvanized Material Grade/Class Grade SW Removable Removable Compatible Material Concrete Drill Bit Size 3/4 in Screw Anchor Type Concrete Screw Anchor System of Measurement Inch Includes Not Applicable Maximum Material Thickness Not Applicable Minimum Installation Depth 2 1/2 in