5/16 in. x 3-1/2 in. RSS Rugged Structural Star-Drive Washer-Head Coarse Self-Drill Zip-Tip Electro Galvanized Zinc Wood Screws (500 Pack) | GRK-10223

GRK Fasteners' RSS Rugged Structural Star-Drive Washer-Head Coarse Self-Drill Wood Screws features Zip-Tip technology, which allows for easy self-drilling, reducing installation time and effort, making them a top choice for both professionals and DIY enthusiasts. The Star-Drive ensures superior torque transfer, preventing cam-out and allowing for a secure fit with every turn. Built to perform in the toughest conditions, the RSS screws are perfect for applications requiring high strength and reliability, making them a must-have for any serious construction project.

• For use in heavy duty structural applications and deck substructures as a replacement for lag screws and other remodeling applications
• Durable enough for use in LVL, LSL, and other dense wood
• The integrated washer head ensures maximum clamping force
• Its unique thread design draws two substrates together while its washer head allows zero gap joints
• Use when working with heavy-duty framing, LVL fastening, structural decking, ledger boards, and more