GRK RSS Structural screws are an easy to install lag alternative. Typical applications include structural decking, general framing, remodeling, structural applications, multi-ply and LVL fastening, and ledger board. The W-Cut provides low installation torque which allows for fast driving and ease of install. The zip-tip feature allows for no pre-drilling and one-step installation. The unique thread design draws two substrates together while washer head allows zero gap joints. Our Climaseal coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact. This product is engineered for dependable performance, ease of installation, and long-term durability in demanding applications.