Power Pro 30 Pc Construction Lag Screws (5/16" x 3") | Star Drive Structural Wood Screws | Type 17 Cut Point Coarse Thread Exterior Screws for Decks Stairs Playsets Treated Lumber

Product Description Power Pro construction lag screws are engineered for high-strength fastening in structural and outdoor wood applications. Featuring a Type 17 cut point and aggressive coarse thread design, these screws deliver fast penetration into wood and treated lumber while reducing splitting and installation effort. Built with a reinforced neck for added durability, these lag screws are designed to replace traditional lag screws, providing strong and reliable wood-to-wood connections in structural builds. Ideal for decks, stairs, playsets, and general outdoor construction, they deliver dependable performance in load-bearing applications. The star drive system minimizes camout and slippage while delivering improved torque transfer for smoother, more controlled installation. This allows for consistent fastening performance across demanding jobsite conditions and repetitive applications. Each screw features a bronze ceramic coating that exceeds 1,000-hour salt spray resistance under ASTM standards, providing long-lasting corrosion protection in exterior environments and treated lumber applications. Engineered in size 5/16" x 3", these screws offer reliable penetration depth and holding power. Each package includes 30 screws in a durable 1 lb box designed for convenient storage and easy access on the jobsite. From the Manufacturer This products has features that are both impressive and unique. Topping the list is the new "Star Drive" technology which virtually eliminates camout for a smooth, effortless drive every time. Chances for splitting wood are greatly reduced by the patented cross-cut threads and the wood biting cut point. These two features combine to prevent wood splitting by grinding wood and removing fibers from the hole.

• FAST WOOD PENETRATION: Engineered with a Type 17 cut point and aggressive coarse thread, these lag screws drive quickly into wood and treated lumber while helping reduce splitting, installation effort, and fastening delays.
• REINFORCED STRUCTURAL DESIGN: Built with a reinforced neck and aggressive thread geometry, these screws deliver dependable holding power for wood-to-wood connections where durability, load capacity, and long-term strength matter.
• STAR DRIVE + LOW PROFILE HEAD: Star drive minimizes camout and slippage while improving torque control for smoother installation. The low profile head supports a cleaner finish in structural and outdoor wood projects.
• EXTERIOR STRUCTURAL USE: Designed for decks, stairs, playsets, and general structural builds. Size 5/16 inch x 3 inch supports reliable penetration depth and strong holding power in treated lumber. Includes 30 screws in a durable 1 lb box.
• 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.
• No pre-drilling
• Star drive helps eliminate campout
• Ideal for decks, stairs, play sets and many other outdoor projects