5/16 In. X 3-1/8 In. L Star Washer Head Self Tapping Structural Screws

Introducing the GRK Fasteners 5/16 in. x 3-1/8 in. L Star Washer Head Structural Screw, now available at Boulevard Hardware & Supply Co in Ridgefield, NJ. This high-quality structural screw is designed to meet the demands of both professional contractors and DIY enthusiasts. With a robust construction and innovative features, this screw is perfect for a variety of applications, ensuring that your projects are secure and reliable.

• Self-Drilling and Self-Tapping: This screw is engineered to drill and tap its own hole, making installation quick and efficient without the need for pre-drilling.


• Durable Material: Made from specially hardened steel, this screw provides exceptional tensile, torque, and shear strength, ensuring long-lasting performance.


• Climacoat Finish: The yellow Climacoat finish offers excellent corrosion resistance, making this screw suitable for both indoor and outdoor use.


• Unique Thread Design: The W-Cut thread design and sharp point allow for easy penetration into various materials, including hardwood, while minimizing the risk of splitting.


• Washer Head Design: The built-in washer head provides a larger bearing surface, allowing for zero-gap joints and improved load distribution.


• CEE Threads: The CEE threads enlarge the screw hole for the non-threaded portion, allowing wood to settle easily and increasing the screw's drawing strength.

Imagine using this screw for your next outdoor deck project or while constructing sturdy playground equipment. Its reliable performance makes it ideal for carrying beams, ledger boards, stair rails, and more. Whether you're building a new deck or reinforcing existing structures, the GRK Fasteners structural screw will provide the strength and stability you need.



In conclusion, the GRK Fasteners 5/16 in. x 3-1/8 in. L Star Washer Head Structural Screw is an essential addition to your toolbox. With its innovative design and superior strength, this screw is perfect for a wide range of applications in Ridgefield. Don't compromise on quality—choose the best for your projects and get your screw today at Boulevard Hardware & Supply Co in Ridgefield, NJ.