Simpson Strong-Tie’s Deck-Drive DCU hidden deck-fastening system consists of the company’s DCU composite screws (available in carbon steel and 305 and 316 stainless), DCU screw plugs, and an auto-set driver bit (each component sold separately). The company says that the system is compatible with its Quik Drive auto-feed screw gun. Plugs are available for Trex and Azek decking and PVC trim products for about $55/375 count (plugs only). Full pricing varies by screw size and material, dealer, and region. strongtie.com
Auto-Feed-Compatible Plug System
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