1/4 x 1-3/4 Titen Heavy-Duty Concrete Screw

Concrete Screw, Heavy-Duty, Titen, 1/4 x 1-3/4in, Zinc Plated Steel, Hex washer head, Hardened steel for direct fastening into concrete and masonry, Requires pre-drilled pilot hole, Removable and re-installable, Applications: heavy structural connections, strut channel, equipment mounting