Self Drilling Screws
Self drilling screws work as both a drill bit and a fastener, which means they do not need a pilot hole because of the drill bit end (self tapping screws do require a pilot hole which should be slightly smaller than the diameter of the screw). These metal screws work best for fastening thin pieces of sheet metal together and are ideal for use by mechanics, construction workers and roofers. Shop for top selling brands such as TEKS and tools such as cordless screwdrivers and screwdriver sets to get the job done.
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