Heavy-Duty Lag Screws for Construction and Woodworking

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Shop lag screws, also known as lag bolts, for heavy-duty wood fastening and structural construction applications. Designed with deep coarse threads and a hex head for easy installation, lag screws provide exceptional holding power in wood, making them ideal for decking, fencing, timber framing, pole barns, and other load-bearing projects.

Available in a variety of materials and finishes, including zinc-plated, hot dip galvanized, stainless steel, and plain steel, lag screws are built to perform in both indoor and outdoor environments. Whether you're securing structural components or completing general construction projects, these fasteners deliver the strength, durability, and reliability professionals depend on.

For large scale orders, request a quote to receive our best pricing available for your custom order.

Our lag screws and lag bolts are engineered for maximum grip and pull-out resistance in wood applications. Their hex head design allows for quick installation using standard sockets and wrenches, while the coarse thread pattern creates strong, secure connections.

Choose from a wide range of diameters, lengths, and finishes to meet the demands of residential, commercial, and industrial projects. From structural framing and landscaping to docks and outdoor structures, lag screws provide dependable fastening performance where strength matters most.