Simpson TRX100LR Deck-Drive DCU Screw Plug Trex Lava Rock 375-Qty Router Bit Accessories engineered to secure 1/2" conduit

engineered to secure 1/2" conduit to concrete with speed and reliability in high-volume applications

DCN8904 Standard/Drywall Contact Trip

making it suitable for environments where moisture exposure is a concern

These screws are engineered for cold-formed steel framing applications

Simpson TRX100LR Deck-Drive DCU Screw Plug Trex Lava Rock 375-Qty Router Bit Accessories engineered to secure 1/2" conduitFastening deck boards and trim can result in visible screws which can distract from the beauty of your outdoor project. The Simpson Strong Tie Deck Drive DCU screw plug solution is a complete Hidden Deck Fastening System designed for use with premium DCU Composite screws and consists of DCU screw plugs and the Auto Set Driver bit (each sold separately). The DCU screw plugs are made from major composite and PVC board manufacturers' materials to match