Upgrade your next construction project with SPAX PowerLags® XF T-Star Pancake Head HCR Structural Fasteners. Engineered for strength, speed, and dependable performance, these premium structural screws are designed for demanding exterior wood construction applications.

Featuring heat-treated carbon steel construction and a specialized HCR (High Corrosion Resistant) double-barrier coating, these fasteners deliver excellent corrosion protection and reliable holding power, including applications involving pressure-treated lumber.

FEATURES & BENEFITS

• 10% FASTER INSTALLATION: Optimized thread pitch, SPAX 4CUT point, and serrated threads provide faster driving and improved installation efficiency.

• NO PRE-DRILLING REQUIRED: Razor-sharp 4CUT tip starts quickly, helps reduce wood splitting, and provides a clean, smooth installation.

• LOW-PROFILE PANCAKE HEAD: Approximately 30% lower-profile head design provides a clean, flush finish with excellent clamping performance.

• PRECISION T-STAR DRIVE: T40 drive on 1/4" and 5/16" diameters; T50 drive on 3/8" diameters. Provides excellent bit engagement, reduced cam-out, and consistent torque transfer.

• HCR DOUBLE-BARRIER COATING: High Corrosion Resistant coating engineered for exterior applications, including treated lumber and freshwater construction environments.

• CODE-APPROVED STRENGTH: Third-party tested and supported by IRC/IBC structural code approvals for demanding construction applications.

MATERIAL & CONSTRUCTION

Manufactured from cold-rolled carbon steel wire and heat-treated for added strength and durability. Finished with SPAX's HCR double-barrier protective coating for enhanced corrosion resistance.

IDEAL APPLICATIONS

• Deck ledger board attachment

• Multi-ply structural beam assemblies

• Engineered and composite lumber

• Pressure-treated lumber

• Pergolas and gazebos

• Landscaping timbers

• Outdoor structures and furniture

• Heavy carpentry and exterior construction

AVAILABLE SIZES

• Diameters: 1/4", 5/16", and 3/8"

• Lengths vary by diameter.

Please refer to the product photos for additional specifications and size information.

WHY CHOOSE SPAX?

SPAX is known for innovative fastening technology designed to make professional construction faster, easier, and more dependable. These PowerLags XF structural screws combine exceptional holding power, corrosion resistance, and installation convenience in one premium fastener.

A great choice for contractors, builders, deck installers, and serious DIY projects!