Cortex Driller Steel Deck Framing Hidden Fastening System
2021-10-22u2002·u2002Installing into older framing or joists; In these cases, use a 3/16' drill bit to pilot a hole through the deck board (not the framing). Install a few Cortex screws and plugs to check for appearance before continuing. If you experience any issues, stop installation and call FastenMaster at the number below.
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