Everbilt 1/2 in. x 10 in. Hex Galvanized Lag Screw (25-Pack) 804010

Lag Screws are hex head screws with thick shafts and coarse threads. They are designed to securely join wood pieces together in heavy load applications. Commonly used for decks, framing, retaining walls, and wooden playground equipment. Lag Screws can also be used in masonry if combined with a lag shield.