Confast's Tapcon Concrete Hex Head Screw
Confast’s Tapcon concrete hex head screw can be driven with a hex driver. It also features a slot for a screwdriver and an attached washer. It is made of carbon steel with a blue Climaseal coating. It is available in nine lengths from 11/4 to 6 in. and diameters of 3/16 and 1/4 in. It is also available with a flat Phillips countersunk head.