Concrete Anchor Screw, Anchor Diameter 3/16 in, Screw Size 3/16 in, Overall Length 3 1/4 in, Thread Length 2 1/4 in, Head Type Flat, Head Diameter 0.3661 in, Head Height 0.125 in, Drive Type Phillips, Material Steel, Finish Blue Ruspert, Material Grade/Class Grade C, Removable Removable, Compatible Material Masonry, Stone, Wood, Drill Bit Size 5/32 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Includes Drill Bit, Maximum Material Thickness 2 1/4 in