Power Pro Construction Lag Screws, 5/16-18 x 4in, 100 Pack, Bronze

FAST HEAVY-DUTY WOOD PENETRATION PERFORMANCE: Type 17 cut point and coarse threads ensure fast, efficient starts in wood and treated lumber, reducing splitting, drive effort, and installation time for structural and outdoor projects. , REINFORCED STRUCTURAL DESIGN: Reinforced neck and aggressive thread geometry provide superior strength and holding power for wood-to-wood connections where durability, load capacity, and long-term structural performance are important. , STAR DRIVE + LOW PROFILE HEAD DESIGN: Star drive helps reduce camout and slippage for improved torque transfer and controlled installation, while the low profile head supports smooth driving and a clean, professional finish. , ENGINEERED FOR EXTERIOR STRUCTURAL APPLICATIONS: Built for decks, stairs, playsets, and outdoor structural builds. The 5/16" x 4" size supports deeper penetration and strong holding power in treated lumber and exterior conditions. , PROFESSIONAL-GRADE PERFORMANCE: Power Pro fasteners are engineered for strength, durability, and corrosion resistance, delivering reliable performance from installation through long-term use in interior and exterior applications.