Ultra Thread-Self Taping Screw 1 1/4"X8-Ult-Sts1-1/4X8

Some Self tapping Screws sockets are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a center drill

They make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood

These screws in this auction are not "Self Drilling" and do require a pilot hole for a thick gauge material

Self-tapping screw is a screw that can tap its own hole as it is driven into the material

This Screw Assortment have sharp threads that cut into sheet metal, plastic or wood

Size:SELF TAPING SCREW 1 1/4"X8