Structural Lag Screws, 5/16" X 4", 40 Pieces

Power Pro Structural Lag Screws are heavy-duty fasteners engineered for construction and woodworking projects. These 5/16" X 4" screws eliminate the need for pre-drilling, thanks to an aggressive Type 17 point with serrated threads that start holes quickly. The corrosion-resistant finish ensures durability in both indoor and outdoor applications, from deck construction to shelving systems and structural connections.

The dome head features an imprinted depth code for easy post-installation inspection, simplifying quality checks on the job site. Whether you are a professional contractor or a DIY enthusiast, these lag screws deliver reliable performance across a wide range of fastening tasks.

Features and Benefits

• No Pre-Drilling Required: The Type 17 point and serrated thread design quickly penetrate wood without pre-drilling, saving installation time on every project.
• Corrosion Resistant: The protective finish resists corrosion, making these screws suitable for both indoor and outdoor use.
• Low-Profile Dome Head: Sits flush with the surface while the depth code printed on the head enables quick post-inspection checks.
• Efficient Driving: The screw design reduces drive friction and torque requirements, allowing faster installation and better battery efficiency in power tools.
• Versatile Application: Suitable for decking, framing, furniture assembly, and structural connections in both interior and exterior projects.

Specifications

• Brand: Power Pro
• Size: 5/16" diameter X 4" length
• Count: 40 pieces per box
• Head Type: Dome head with star drive
• Thread: Serrated
• Point: Type 17
• Interior/Exterior: Both

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.