FastenMaster Timberlok 6 in. Structural Wood Screw, 12-Count delivers strong, code-compliant truss and rafter connections in seconds. This heavy-duty wood screw is designed for a variety of applications including attaching rafters or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers, and more. TimberLOK replaces traditional 3/8" lag screws and is for use in ACQ pressure-treated lumber. Its sharp point and aggressive threads allow it to zip right into the densest woods without the need for predrilling. The unique tapered head countersinks easily into wood for a flush appearance, and it comes in a variety of lengths from 2 1/2" to 10" to match every application. Each package includes a bit for convenience. The 6" TimberLOK is a code-compliant solution for attaching rafters or trusses to a double top plate, backed by engineering data that meets the most current ICC standards. Model Number: