The GRK RSS (Rugged Structural Screw) is an ICC-ES approved lag screw alternative that installs faster with no pre-drilling required. The Climatek coating provides corrosion resistance for both interior and exterior structural applications.

• 5/16" x 6" size
• T-30 Star drive recess for zero-strip performance
• W-Cut technology reduces torque for fast, easy driving
• Zip-Tip eliminates need for pre-drilling
• Integrated washer head for flush bearing surface
• Climatek coating for indoor/outdoor corrosion resistance
• ICC-ES ESR-2442 approved for structural applications
• Lag screw replacement for heavy-duty framing
• 25 screws per pack