BT131T Bit-Tip Self Drilling and Tapping Screws #8-18 x 1/2 in. (1000 Pack) MA-BT131T

The BT131T Bit-Tip Self Drilling and Tapping Screws #8-18 x 1/2 in. (1000 Pack) (MA-BT131T) are precision cold-forged hex washer head sheet metal screws engineered for metal fastening without pre-drilling, featuring #8-18 thread size with a 1/2 in. overall length and 1/4 in. hex drive sized for standard 1/4 in. nut drivers or drivers, a patented Bit-Tip #2 point that drills, taps, and fastens in a single operation, and a heat-treated steel construction for consistent thread engagement in 0.035 in. to 0.100 in. material thickness ranges. These screws provide a tensile strength of approximately 1,575 lb and torsional strength of approximately 42 lb-in. and are packaged in a 1000 count pack for high-volume HVAC sheet metal assembly, framing, and mechanical work.