FastenMaster is expanding its Cortex hidden fastening options for Trex decking to include new stainless-steel fasteners for coastal applications and driller screws for metal deck framing. The new 316 marine grade fasteners are ideal for various coastal and high moisture applications, and they’re available in 2-1/2″ lengths and feature the TORX ttap Drive System. FastenMaster’s driller screws for metal framing are made of 410 coated stainless steel and designed for use in steel or aluminum deck framing applications. The fasteners are 1-5/8″ long and also feature the TORX ttap Drive System for a wobble-free installation. In addition, collated Cortex Plugs are now available separately from the screws. Plugs are available in all Trex board lines including Signature, Transcend, Transcend Lineage, Select and Enhance.