The Cortex Hidden Fastening System is the fastest, easiest way to hide the heads of your deck screws across the entire deck, first and last board, perimeter, and stairs.
Collated Cortex for Decking
Hidden Fastening System
For AZEK®, Trex®, TimberTech®, WOLF®, Fiberon® & More!
Perfect Match, Clean Finish
Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.
Pre-Aligned Collated Strips
Cortex plugs come on a collated strip with pre-aligned grains, so there's no need to fumble around with loose plugs
TORX® ttap® Drive System
TORX® ttap® provides superior bit engagement for a stable, wobble-free installation experience.
Find the Perfect Fastener to Match your Decking Board
Part Numbers
Only Trex compatible products are listed. Also available for AZEK®, TimberTech®, WOLF®, Fiberon® and more. Contact the board manufacturer or your Local Dealer for more information. | |||||||
Board Manufacturer | Collection | Color | Length | Material | Collated vs. Loose | Packaging | SKU |
Trex | Enhance | Foggy Wharf | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENFW |
Trex | Enhance | Toasted Sand | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENTS |
Trex | Enhance | Coastal Bluff | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENCB |
Trex | Enhance | Rocky Harbor | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENRH |
Trex | Enhance | Beach Dune | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENBD |
Trex | Enhance | Clam Shell | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENCS |
Trex | Enhance | Saddle | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFENSD |
Trex | Lineage | Island Mist | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFLNLM |
Trex | Lineage | Island Mist | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX1LFLNLM |
Trex | Select | Pebble Grey | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFSLPB |
Trex | Select | Pebble Grey | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300SLPB |
Trex | Select | Pebble Grey | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LSLPBSS |
Trex | Select | Saddle | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX1LFSLSD |
Trex | Select | Saddle | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300SLSD |
Trex | Select | Saddle | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LSLSDSS |
Trex | Select | Pebble Grey | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFSLPB |
Trex | Select | Pebble Grey | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300SLPB |
Trex | Select | Saddle | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFSLSD |
Trex | Select | Saddle | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300SLSD |
Trex | Signature | Ocracoke | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFSGCK |
Trex | Signature | Ocracoke | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300SGCK |
Trex | Signature | Whidbey | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFSGWD |
Trex | Signature | Whidbey | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300SGWD |
Trex | Transcend | Biscayne | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSBC |
Trex | Transcend | Biscayne | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSBC |
Trex | Transcend | Carmel | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSCM |
Trex | Transcend | Carmel | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSCM |
Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSHG |
Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSHG |
Trex | Transcend | Havana Gold | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSHGSS |
Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSLM |
Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSLM |
Trex | Transcend | Island Mist | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSLMSS |
Trex | Transcend | Jasper | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSJP |
Trex | Transcend | Jasper | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSJP |
Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSLR |
Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSLR |
Trex | Transcend | Lava Rock | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSLRSS |
Trex | Transcend | Rainer | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSRN |
Trex | Transcend | Rainer | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSRN |
Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSRS |
Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSRS |
Trex | Transcend | Rope Swing | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSRSSS |
Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSSR |
Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSSR |
Trex | Transcend | Spiced Rum | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSSRSS |
Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Collated | 100 LF | FMCTXCL-TX1LFTSTT |
Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Collated | 300 SF | FMCTXCL-TX300TSTT |
Trex | Transcend | Tiki Torch | 2 1/2" | Stainless Steel | Collated | 100 LF | FMCTXCL-TX1LTSTTSS |
Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFTSHG |
Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSHG |
Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-AZ100ARAI |
Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSLM |
Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFTSLR |
Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSLR |
Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFTSRS |
Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSRS |
Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFTSSR |
Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSSR |
Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Loose | 100 LF | FMCTX-TX1LFTSTT |
Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Loose | 300 SF | FMCTX-TX300TSTT |