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Specifically designed for use with Trex composite decking
TORX ttap drive system makes it quick & easy to drive screws
Best choice for coastal and saltwater environments
FastenMaster Cortex Stainless Steel Screws offer premium quality and proven performance to match the proven quality of Trex composite deck boards. Made from 316 marine-grade stainless steel, these screws are ideal for coastal environments. Pair them with Cortex Collated Plugs (sold separately) and create an unblemished surface across your entire deck.