Teks No. 10 X 1 in. L Hex Washer Head Sheet Metal Screws 140 pk

The engineered drill-point and flute remove material efficiently and properly size the hole for threads. They are ideal for fastening thicker gauge (20-Gauge - 12-Gauge) metal to metal in applications such as heating, ventilation and air conditioning (attaching duct work to steel framing), electrical (attaching accessories to steel framing) and overhead steel doors, hinges and latches. Install with a standard screw gun and a 1/4 in. hex drive bit.