Order this Tapcon Hex Head Concrete Screws for delivery. Tapcon Concrete Screws work in all masonry-based material including concrete, block, or brick. Use Tapcon screws for a variety of projects including fixing sill plates, electrical equipment, 2 x 4’s and many other fixtures to masonry. Chisel edges on Tapcon Concrete Anchors accurately cut threads into concrete allowing for consistent driving performance and back holding power. Climaseal blue coating delivers long-lasting corrosion protection. Advanced threadform reduces installation torque by 30%, allowing for use in a wider range of materials. A reputation for quality, strength and ease of installation from industry professionals. Approved for use in ACQ treated lumber. To install, use a 3/16 in. carbide-tipped Tapcon drill bit to drill pilot hole. To install, use a 3/16 in. carbide-tipped Tapcon Drill Bit.