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!
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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.
Collated Cortex Hidden Fastening for Decking
Collated Cortex for Trex Enhance
Decking Color Match Tool
Just enter your brand of decking material and color you’re working with and we’ll provide you with the right FastenMaster products that perfectly match your needs
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. | |||||||
| Manufacturer | Collection | Color | Length | Material | Collated vs. Loose | Packaging | SKU |
| Trex | Enhance | Foggy Wharf | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENFW |
| Trex | Enhance | Toasted Sand | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENTS |
| Trex | Enhance | Coastal Bluff | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENCB |
| Trex | Enhance | Rocky Harbor | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENRH |
| Trex | Enhance | Beach Dune | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENBD |
| Trex | Enhance | Clam Shell | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENCS |
| Trex | Enhance | Saddle | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFENSD |
| Trex | Select | Madeira | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSLMD |
| Trex | Select | Madeira | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SLMD |
| Trex | Select | Madeira | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LSLMDSS |
| Trex | Select | Pebble | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSLPB |
| Trex | Select | Pebble | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SLPB |
| Trex | Select | Pebble | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LSLPBSS |
| Trex | Select | Saddle | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSLSD |
| Trex | Select | Saddle | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SLSD |
| Trex | Select | Saddle | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LSLSDSS |
| Trex | Select | Winchester Grey | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSLWG |
| Trex | Select | Winchester Grey | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SLWG |
| Trex | Select | Winchester Grey | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LSLWGSS |
| Trex | Select | Woodland Brown | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSLWB |
| Trex | Select | Woodland Brown | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SLWB |
| Trex | Select | Woodland Brown | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LSLWBSS |
| Trex | Signature | Ocracoke | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSGCK |
| Trex | Signature | Ocracoke | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SGCK |
| Trex | Signature | Whidbey | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFSGWD |
| Trex | Signature | Whidbey | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300SGWD |
| Trex | Transcend | Biscayne | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSBC |
| Trex | Transcend | Biscayne | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSBC |
| Trex | Transcend | Carmel | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSCM |
| Trex | Transcend | Carmel | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSCM |
| Trex | Transcend | Gravel Path | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSGP |
| Trex | Transcend | Gravel Path | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSGP |
| Trex | Transcend | Gravel Path | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSGPSS |
| Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSHG |
| Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSHG |
| Trex | Transcend | Havana Gold | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSHGSS |
| Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSLM |
| Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSLM |
| Trex | Transcend | Island Mist | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSLMSS |
| Trex | Transcend | Jasper | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSJP |
| Trex | Transcend | Jasper | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSJP |
| Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSLR |
| Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSLR |
| Trex | Transcend | Lava Rock | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSLRSS |
| Trex | Transcend | Rainer | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSRN |
| Trex | Transcend | Rainer | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSRN |
| Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSRS |
| Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSRS |
| Trex | Transcend | Rope Swing | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSRSSS |
| Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSSR |
| Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSSR |
| Trex | Transcend | Spiced Rum | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSSRSS |
| Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSTT |
| Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSTT |
| Trex | Transcend | Tiki Torch | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSTTSS |
| Trex | Transcend | Vintage Lantern | 2 1/2" | Carbon Steel | Collated | 100 lin ft | FMCTXCL-TX1LFTSVL |
| Trex | Transcend | Vintage Lantern | 2 1/2" | Carbon Steel | Collated | 300 sq ft | FMCTXCL-TX300TSVL |
| Trex | Transcend | Vintage Lantern | 2 1/2" | Stainless Steel | Collated | 100 lin ft | FMCTXCL-TX1LTSVLSS |
| Trex | Select | Madeira | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFSLMD |
| Trex | Select | Madeira | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300SLMD |
| Trex | Select | Pebble | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFSLPB |
| Trex | Select | Pebble | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300SLPB |
| Trex | Select | Saddle | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFSLSD |
| Trex | Select | Saddle | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300SLSD |
| Trex | Select | Winchester Gray | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFSLWG |
| Trex | Select | Winchester Gray | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300SLWG |
| Trex | Select | Woodland Brown | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFSLWB |
| Trex | Select | Woodland Brown | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300SLWB |
| Trex | Transcend | Gravel Path | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSGP |
| Trex | Transcend | Gravel Path | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSGP |
| Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSHG |
| Trex | Transcend | Havana Gold | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSHG |
| Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-AZ100ARAI |
| Trex | Transcend | Island Mist | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSLM |
| Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSLR |
| Trex | Transcend | Lava Rock | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSLR |
| Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSRS |
| Trex | Transcend | Rope Swing | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSRS |
| Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSSR |
| Trex | Transcend | Spiced Rum | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSSR |
| Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSTT |
| Trex | Transcend | Tiki Torch | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSTT |
| Trex | Transcend | Tree House | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSTH |
| Trex | Transcend | Tree House | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSTH |
| Trex | Transcend | Vintage Lantern | 2 1/2" | Carbon Steel | Loose | 100 lin ft | FMCTX-TX1LFTSVL |
| Trex | Transcend | Vintage Lantern | 2 1/2" | Carbon Steel | Loose | 300 sq ft | FMCTX-TX300TSVL |
