Power Pro 20 Pc Construction Lag Screws (5/16" x 4") | Star Drive Structural Wood Screws | Type 17 Cut Point Coarse Thread Exterior Screws for Decks Stairs Playsets Treated Lumber

Power Pro 20 Pc Construction Lag Screws (5/16" x 4") | Star Drive Structural Wood Screws | Type 17 Cut Point Coarse Thread Exterior Screws for Decks Stairs Playsets Treated Lumber

• 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.