FastenMaster Timberlok 8 in. Structural Wood Screw FMTLOK08-50A

TimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. It is available in a variety of lengths and packaging sizes. Head style allows for countersinking during installation.