FastenMaster TimberLok 8 in. L Hex E-Coat Coarse Structural Wood Screws 50 pkTimberLOK is a heavy duty wood screw available in a variety of lengths and packaging sizes for applications such as landscape timbers, fences, decks, headers, stair stringers, attaching rafter or trusses to the top plate. TimberLOK is guaranteed not to rust or corrode for the life of the project. The coating on this fastener has been tested in wood treatment chemicals and found to provide equivalent protection to code approved hot dipped galvanized