Grk Rss Rugged 5/16 In. X 3-1/8 In. Star Drive Washer-head Structure Screw

Presenting the GRK RSS Rugged Structural Screw, a premium fastener built for dependable wood-to-wood connections. This screw measures 5/16 in diameter by 3-1/8 in length, and features a washer-style head for load distribution and a high-strength steel core. The Torx star drive provides superior torque transfer and minimizes cam-out, while the rugged construction stands up to demanding framing, decking, and exterior use. Coated for corrosion resistance, it delivers reliable performance in outdoor projects and moisture-prone environments.

How It Helps You: With dependable holding power, this screw reduces drive time and helps prevent splitting in tough woods. It is engineered for consistent bite and pull-out resistance, making it a trusted choice for builders and DIYers alike.

• Size and strength — 5/16 in diameter by 3-1/8 in length structural screw for solid wood-to-wood connections.
• Torx star drive — precision Torx drive reduces cam-out and speeds up installation for a reliable fastener bite.
• Washer-head design — distributes load over a wide area to resist pull-through on softwoods and composites.
• High-strength steel with corrosion-resistant coating — ideal outdoor deck fastener and exterior framing for longevity.
• Versatile applications — perfect for framing, decking, and heavy-duty wood joints in professional builds and DIY projects.

Why This Rugged Structural Screw Shines: Built for tough environments, the GRK RSS delivers dependable grip, faster drive times, and long-term structural integrity. Its washer-head and Torx drive optimize installation while the corrosion-resistant coating extends service life in outdoor applications. Whether you're framing a deck, repairing framing joints, or tackling demanding carpentry tasks, this fastener brings professional-grade performance to every project.