HILLMAN FASTENERS 230070Click To Copy Hex Lag Screw, 5/16" x 5-1/2", Zinc-Plated, Box of 50

This Hillman Fasteners Hex Lag Screw, model 230070, is designed for heavy-duty fastening in wood construction. It is constructed from steel and features a zinc plating, providing moderate corrosion resistance suitable for indoor or sheltered outdoor applications. The screw measures 5/16 inches in diameter and 5-1/2 inches in length, featuring a hexagonal head for installation with a socket or wrench. Hex lag screws, sometimes referred to as lag bolts, have coarse, deep threads and a gimlet point, designed to embed securely into wood without the need for a nut. They are commonly used for structural timber framing, deck construction, and securing heavy materials to wood, requiring a pre-drilled pilot hole for optimal performance and to prevent splitting.