GRK’s RSS™ Rugged Structural Screw is a structural fastener designed for ease of installation and the strongest of connections. RSS fasteners drive into most woods without the need for pre-drilling. The specially engineered design results in a low-effort  installation, especially compared to conventional lag screws. 

• Fast Bite Tip: Provides a fast start   
• Zip-Tip™: Eliminates pre-drilling  
• W-Cut™: Low torque, faster drive  
• Precision Fit*: Reduces wobble between RSS screws and GRK bits for improved productivity*  
• Climatek™ Coating Code: Approved for use in treated lumber
• Star Drive Recess: Zero stripping, with 6 points of contact