Decking Screws T4XGXRQ1016050 are 10g x 50mm bi-metal 304 stainless self-drilling screws with a winged point and countersunk head. The 304 stainless construction and R10 protective coating provide corrosion resistance suited to coastal and exposed decking environments. Six ribs under the head enable controlled embedment into soft to medium timber and composite decking materials.

 Designed for decking-to-metal joists and timber-to-metal framing, these screws use a Square #2 (SQ2) drive; drive bit sold separately (Part TXDIPSQS20050). Use a cordless driver at 2,200–3,000 RPM and avoid impact drivers to maintain thread integrity and prevent over-tightening.