#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - Quik Guard Coating, Gray, Pkg. 1,750 Pipe Flashing Accessories Hex-Head Drive – 5/16" hex

Hex-Head Drive – 5/16" hex drive for easy installation (replacement bit: BITHEXR516-R1)

The corrosion-resistant galvanized coating helps protect against rust and wear while maintaining the strength needed for long-lasting structural connections

Engineered Sweep Design: Optimizes anchor positioning within concrete forms during installation

low-profile finish

Compatible with Rough-Cut Lumber: Specifically sized for 4x6 rough-cut posts and beams

#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - Quik Guard Coating, Gray, Pkg. 1,750 Pipe Flashing Accessories Hex-Head Drive – 5/16" hexThe Simpson Strong Tie Deck Drive DCU Composite Screw is designed for composite and PVC decking, trim, and cladding where strength, clean finishes, and durability are a must. Featuring a cap head that prevents mushrooming, these screws ensure a smooth, professional look across all major composite brands. The Quik Guard coating provides dependable corrosion resistance for everything from residential decks to high exposure and marine environments. Built