Hillman 5/8 in. S X 4 in. L Hex Zinc-Plated Steel Lag Screw 25 pk

Zinc hex lag screws provide adequate corrosion and rust protection, making it a good choice for outdoor projects. Common applications include retaining walls, deck frames and outdoor play equipment. This zinc hex lag screw has coarse threads designed for pre-drilled holes to prevent splitting or snapping and requires minimal clearance above the fastener. It has a hexagonal drive for simple installation and controlled traction with a socket or wrench.