Power Pro 5/16 In. x 2-1/2 In. Structural Lag Screw is designed for heavy-duty fastening applications where strength and durability are essential. This lag screw is i for securing large timbers and structural components, providing a reliable hold in wood and other materials. Its robust construction ensures long-lasting performance in demanding environments, making it a choice for construction and repair projects. Whether you're building a deck, framing a structure, or reinforcing beams, this lag screw delivers the strength needed for a secure and stable connection.