48949 Structural Lag Screw, 5/16 in Thread, 5 in L, Serrated Thread, Dome Head, Star Drive, Type 17 Point

Power Pro structural lag screws are a complete line of innovative, building code-approved structural wood screws that outperform the competition. The patented screw design offers features that are unmatched in the category and set a new benchmark for performance. The proprietary corrosion-resistant coating is compliant with ACQ and other forms of treated lumber. Unlike competitor structural fasteners, the Power Pro™ structural lag screw features an innovative thread design and a self-drilling tip to penetrate and sink into wood quickly, resulting in a 30% faster installation and no pre-drilling. Drive more screws per battery charge. Easy-to-read depth code imprinted on the head allows for quick post inspection.