SPAX 5/16 x 8in. Interior Structural Wood Lag Screws Powerlags Pancake Head T-Star (250 EA) Bulk Pail Bit Included

The ultimate fastening solution for heavy-duty wood to wood connection projects. Engineered for unparalleled strength, durability, and ease of use.

Superior Clamping Power: The flat pancake head design delivers maximum clamping power and optimal load distribution, ensuring secure, tight connections for all your projects. The advanced 6-point T-STAR drive system evenly distributes torque, prevents cam-out, and allows for effortless one-handed driving, making installation faster and easier, even in tough materials.

eCoat Protection for Long-Lasting Durability: Featuring an advanced eCoat finish for exceptional corrosion resistance. Whether you're working with treated lumber or traditional wood, these screws are built to withstand the elements and keep your structures intact for years to come.

Razor-Sharp Tip and Thread Design: With a razor-sharp tip and thread design, these screws eliminate the need for pre-drilling, saving you valuable time and effort. The serrated threads near the tip blaze a path for the remaining threads, reducing driving torque by an impressive 40% compared to conventional screws.

Engineered for Heavy-Duty Applications: Manufactured in USA from premium heat-treated carbon steel, offer unparalleled strength and holding power, with virtually no risk of shear-off. These screws are perfect for demanding projects including decking, fencing, framing, log homes, mass timber framing, ledger boards, retaining walls, landscaping, farms and barns, SIP roofing systems, and more. These screws meet strict structural codes and provide the reliability you need.

Key Features:
T-Star flat pancake head for maximum clamping power and reduced cam-out.
eCoat finish for superior corrosion resistance, ideal for interior or protected environments.
Razor-sharp tip and thread design for no pre-drilling and 40% less driving torque.
Heat-treated carbon steel for unmatched strength and durability.Main Material: Carbon Steel / Drive Size: T40 / Free Bit Included? Yes / Drive Type: T-Star / Head Type: Pancake Head / Head Size: 0.610" / Partial Thread / Thread Length: 2.375" / Screw Length: 8" / Screw Width: 5/16" / Finish Coating: Ecoat finish is tested and approved for use in untreated and pressure-treated lumber for above-ground interior dry/damp applications (AWPA UC1-UC2).