The GRK R4 Multi-Purpose Framing and Decking Screws are engineered for fast, reliable installation, improving productivity on a wide range of construction projects. Ideal for general framing, remodeling, decking top boards, and structural framing, these screws are truly multi-purpose. R4 Screws perform in a variety of materials including wood, particle board, plastic, sheet metal, cement fiber board, wood decking, composite decking, and melamine, giving you versatility and confidence in every project. Designed for both strength and ease of use, these screws let you frame, build, and secure materials quickly and efficiently.