COBRA ANCHORS CobraTap 636C Concrete Screw, 1/4 in Dia, 4 in L, 425 lb, Steel, Cobra-Coated

The CobraTap concrete screws are designed with a high and low thread to cut the concrete more effectively and to keep its alignment. It is made of tempered, high-grade steel to ensure the best torque and maximum holding power and is coated with the corrosion-resistant Cobra Coat. The CobraTap is ACQ compatible and is offered with a flat head or a hexagonal head.