GRK R4 self-countersinking screw with patented underhead cutting teeth that transport drill dust away from the screw hole while cutting a perfectly clean countersink. Climatek corrosion protection for interior and exterior use.

• #10 x 4-3/4" size
• 50 screws per box
• Star drive (T25 bit) resists cam-out
• Self-countersinking head - no pre-drilling needed
• Climatek corrosion protection
• Works in wood, composite decking, particle board, plastic, and sheet metal

Ideal for decking, stairs, and residential construction.

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠  WARNING: This product can expose you to chemicals including ethylene oxide which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.