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Heavy-duty deck lag screws are specifically engineered for joining heavy lumber and load-bearing timber structures, such as decks, pergolas, and retaining walls, where maximum holding power is required.
Structural lag screws are made from high-strength, heat-treated steel and feature advanced thread designs that allow for faster installation, often eliminating the need for pre-drilling while offering equal or superior shear strength.
Zinc plating provides a protective layer that helps prevent rust and corrosion, making these eye lag screws highly durable for indoor and dry outdoor fastening applications.
Stainless steel grades 304 and 316 offer exceptional resistance to rust and chemical corrosion. Grade 316 is highly recommended for marine environments or projects exposed to high moisture and saltwater.
Yes, for traditional lag screws, pre-drilling a pilot hole is highly recommended to prevent the wood from splitting and to ensure the screw drives in smoothly and securely.
