SPAX 5/16" x 5" Exterior Structural Wood Lag Screws Powerlags Washer Head T-Star 150 EA Bulk Mini Bit Included Heavy Duty Rust Resistant

No Pre-Drilling Required Spend less time on prep work, and more time getting the job done. Superior Grip and Holding Power Ensure your projects remain rock-solid over the long haul. Code Compliant: IRC / IBC certified DrJ TER No. 1912-07 for deck ledger and multi-ply connections. High Corrosion Resistance HCR coating ensures long-lasting durability in harsh outdoor environments. Built-On Washer Head: Eliminate separate washers and streamline installation. Each pack contains 150 pieces of 5" inch screws along with 1 high-quality T40 T-Star bits.