#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - 305 Stainless Steel, Brown 05, Pkg. 350 Conquest Concrete Screws It also includes obround holes

It also includes obround holes spaced 3" apart for I-joist purlins and square holes spaced to accommodate the narrow face of 2x solid-sawn purlins

Whether you’re a professional contractor or a DIY enthusiast

5 Column Cap enhances the strength and stability of your construction projects

Install with nails or SD structural screws as per manufacturer guidelines

see the THGQ/THGQH series

#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - 305 Stainless Steel, Brown 05, Pkg. 350 Conquest Concrete Screws It also includes obround holesThe Simpson Strong Tie Deck Drive DCU Composite Screw is the go to fastener for composite and PVC decking, trim, and cladding. Featuring a cap head that prevents mushrooming, these screws deliver a smooth, professional finish while blending seamlessly with your deck surface. Available in a wide range of colors matched to leading composite decking brands, the DCU eliminates the need to mix and match fasteners. Built for long term performance, the