• Cortex Fascia Hidden Fastening System - Hide the heads of deck screws on market-leading deck boards 
• TrapEase Fascia - The ultimate color matched fascia fastening system.
• TrapEase 3 Composite Deck Screw - For all three types of synthetic decking: composite, PVC, and capstock  
• GuardDog Exterior Wood Screw - For use in pressure treated, cedar, redwood and chemically treated lumber
• TrapEase3 AutoFeed Composite Deck Screws - TrapEase3 AutoFeed Composite Deck Screws drive productivity on the jobsite while creating a great finished look in Trex Transcend®, Trex Select®, and AZEK® PVC decking.
• LedgerLOK Structural Wood Screw - For attaching deck ledger boards to the rim joist of a house with no predrilling
• LedgerLOK Flat Head Structural Wood Screw - For attaching deck ledger boards to the rim joist of a house with no predrilling
• ThruLOK Through-Bolt Replacement - The strength of a through-bolted connection for multi-ply beams, deck posts, carrying beams and more

• FlatLOK Structural Wood Screw - For fastening multi-ply LVL and girder trusses and more
• TimberLOK Structural Wood Screw - For attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more
• HeadLOK Structural Wood Screw - For deck framing, stair stringers, attaching rigid foam (SIPs), fences, kitchen cabinets and more
• LedgerLOK Structural Wood Screw - For attaching deck ledger boards to the rim joist of a house with no predrilling
• ThruLOK Through-Bolt Replacement - The strength of a through-bolted connection for multi-ply beams, deck posts, carrying beams and more
• LedgerLOK Flat Head Structural Wood Screw - For attaching deck ledger boards to the rim joist of a house with no predrilling
• TimberLOK Structural Wood Screw - For attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more

The GRK Fasteners decking & fastening systems include:

• AugerBolt™ simplifies the installation process of throughbolts by combining the drilling & install steps and eliminating loose components.
• The AnglePro™ Hidden Fastening System provides a premium aesthetic by eliminating the visibility of screws.
• Deck Elite Hidden Deck Fasteners are designed for use with the AnglePro tool. Combined with the trim head, these fasteners provide an aesthetic finish with the clamping power that rivals top down decking fasteners.
• GRK’s Deck Elite screws are designed for use in wood deck boards and provide a quick drive and clean finish.
• Deck Elite Hidden Deck Fasteners are designed for use with the AnglePro tool. Combined with the trim head, these fasteners provide an aesthetic finish with the clamping power that rivals top down decking fasteners. These stainless-steel fasteners are designed and recommended for when extreme corrosion resistance is needed, such as decks in environments with high exposure to chlorides and in coastal applications within 1 mile of the coast.

GRK's line-up of multi-purpose & structural fasteners include:

• GRK's finish trim head screws offer a professional look with a professional finish. Designed for most fine carpentry applications, as well as window extension jambs, joining cabinets, and more.
• GRK’s Low Profile Cabinet™ Cabinet screws are designed for fast cabinet installation with a washer-style head that seats flush which increases holding power.
• The RT Composite™ Exterior Trim Head screw is a specially designed fastener for attaching composite and cellular PVC materials.
• GRK's Finish Trim Head 305 Stainless Steel Screws are designed for applications that require superior corrosion resistance in outdoor environments with high moisture content including boardwalks, piers and docks on lakes.
• GRK's Finish Trim Head 316 stainless-steel screws are designed and recommended for applications where extreme corrosion resistance is necessary, such as environments with high exposure to chlorides and in coastal applications within 1 mile of the coast.
• GRK’s White Low Profile Cabinet™ screws are designed for fast cabinet installation with a washer-style head that seats flush which increases holding power.
• The White RT Composite™ Exterior Trim Head screw is a specially designed fastener for attaching composite and cellular PVC materials.
• RT Composite™ 305 Stainless Steel Screws are designed for applications that require superior corrosion resistance in exterior environments with high moisture content, such as boardwalks, piers and docks on lakes.