GRK Fasteners RSS Structural Screw 5/16" x 3-1/8" Handy Pack (25 Count)

Engineered for strength and ease of use, the GRK Fasteners RSS Rugged Structural Screw is your go-to solution for heavy-duty wood-to-wood connections. Featuring a star-drive washer head and innovative thread geometry, these screws deliver maximum holding power with minimal effort. The combination of Zip-Tip and W-Cut threads lets you drive into most woods without pre-drilling, making installation faster and reducing the risk of splitting. A durable Climatek® coating provides corrosion resistance for both interior projects and intermittent exterior exposures, while the hardened steel core ensures exceptional shear strength and code-approved performance in treated lumber.

Ideal for deck framing, pergolas, beams, posts and other structural applications, this handy 25-count pack keeps your most popular size on hand, ready to deliver professional-grade results on every job.

Key Features

• Proprietary Zip-Tip design for easy entry and reduced splitting
• W-Cut double-lead threads for rapid driving and superior pullout resistance
• Star Drive washer head offers increased bearing surface and superior bit engagement
• Climatek® corrosion-resistant coating for interior and intermittent exterior use
• Hardened steel core for maximum shear strength and code-approved performance in treated lumber
• Handy 25-count pack keeps screws organized and accessible

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.