SPAX 1/2" x 10" Powerlags Exterior Hex Head Structural Wood Lag Screws (100 pcs) 5/8" Hex Driver HCR Heavy Duty Pergola Posts Beams Fence Structures High Corrosion Resistant

Achieve faster, stronger structural wood-to-wood connections with SPAX PowerLags XF Hex Head structural screws. Engineered for high-demand applications, these premium fasteners eliminate the need for pre-drilling thanks to SPAX’s advanced 4CUT Point. The razor-sharp tip delivers a quick, clean start, reduces splitting, and drives smoothly for more efficient installations in both dimensional lumber and heavy timbers. PowerLags XF Hex Head screws feature a high-strength hex head that delivers a confident, slip-free fit for maximum torque transfer and reduced cam-outs during installation. Paired with SPAX’s optimized thread geometry, PowerLags XF drives up to 10% faster—and up to 14% faster on 5/16" diameters—helping professionals complete structural connections more efficiently with less effort. Choose the HCR exterior coating for long-lasting durability in pressure-treated lumber, moisture-prone environments, and harsh outdoor conditions. It’s ideal for decks, pergolas, gazebos, fencing, landscaping timbers, posts, beams, and other outdoor structural builds. - or - Select the yellow zinc interior finish for clean, reliable performance in framing, beam and truss assembly, cabinetry, stair construction, remodel work, and general interior structural applications. Every PowerLags XF screw undergoes precise heat treatment to balance strength and ductility—critical for structural performance. Backed by third-party testing and IRC/IBC code approvals, PowerLags XF is built for demanding applications involving 2x lumber, 4x4 and 6x6 timbers, and engineered wood products (EWP). Proudly made in Bryan, Ohio with globally sourced materials, SPAX PowerLags XF Hex Head fasteners deliver the consistent quality, structural reliability, and installation confidence today’s professionals expect.

• NO PRE-DRILLING REQUIRED: The razor-sharp tip delivers a fast, clean start, reduces splitting, and ensures quicker, smoother installation in wood and treated lumber.
• FASTER FINISH: Optimized thread design drives up to 10% faster—and up to 14% faster on 5/16" sizes—helping you complete structural installs more efficiently.
• SECURE HEX HEAD DRIVE: Hex head design offers a confident, slip-free fit for maximum torque transfer, reduced cam-outs, and dependable driving performance.
• BUILT FOR THE OUTDOORS: Ideal for decks, fencing, pergolas, gazebos, landscaping timbers, and treated lumber projects; also great for 2x lumber, heavy timbers, and engineered wood (EWP).
• WHAT’S INCLUDED: 100 pieces of 10" inch screws along with 2 high-quality 5/8" Hex bit(s).