Teks 21328 Screw, #10 Thread, 1 in L, Coarse Thread, Hex Drive, Self-Drilling, Self-Tapping Point, Steel, Zinc, 140 PK

Teks #10 x 1 in. zinc-plated hex-washer-head self-tapping drill-point self-tapping screw provides secure metal-to-metal fastening with strong holding power without the need to pre-drill. the engineered drill-point and flute remove material efficiently and properly size the hole for threads. they are ideal for fastening thicker gauge (20 - 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.