FastenMaster Cortex 2-3/4 in. L Torx TTAP Hidden Deck Fastener 350

The Cortex Hidden Fastening System is the fastest, easiest way to hide the heads of your deck screws on market-leading deck board types. Set the screw, set the plug, and are all set. Cortex offers a strong connection between the deck board and the joist and can hide fasteners across the entire deck: first and last board, perimeter, and stairs.