Concrete Anchor Screw, Anchor Diameter 3/16 in, Screw Size 2 1/4 in, Overall Length 2 1/4 in, Thread Length 1 7/8 in, Head Type Flat, Head Width Not Applicable, Head Diameter 0.38 in, Head Height 0.14 in, Drive Type Phillips, Material Steel, Finish Stalgard, Material Grade/Class Grade SW, Removable Removable, Compatible Material Block, Brick, Concrete, Wood, Drill Bit Size 5/32 in, Screw Anchor Type Concrete Screw Anchor, System of Measurement Inch, Includes Not Applicable.