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TimberTech Cortex 224-Count Brick Self-Drilling Concealed Screw Deck Hidden Fasteners (100 Lineal-ft Coverage)

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Set the screw, set the plug, you're all set
Fast and easy: the deck boards are fastened in the same way as a traditional deck
Strong connection: a through-fastened deck offers the highest level of board-to-joist connection and deck racking strength

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Set the screw, set the plug, you're all set
Fast and easy: the deck boards are fastened in the same way as a traditional deck
Strong connection: a through-fastened deck offers the highest level of board-to-joist connection and deck racking strength
Cost effective: less expensive than virtually any other hidden fastening system
Fully tested: all Cortex components have been fully tested and are guaranteed