#14 x 3" Simpson TFG1475R1000 TF Self-Drilling Wood-To-Steel Screw, Mechanically Galvanized, Pkg 1000Engineered to power through wood and embed cleanly into steel substrates, the Simpson StrongTie StrongDrive TFG1475R1000 TF Screws are a go to solution for structural and heavy duty framing applications. Whether you're fastening wood joists, studs, or furring strips to steel framing, these fasteners eliminate the need for predrilling saving time and increasing productivity on the job. Multiple diameter, length, and finish options are available to meet