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Buy the 1/4-20 x 1/2" (FT) Slotted Indented Hex Washer Head Thread Cutting Screws (Type F), Coarse, Zinc Cr+3 online from South Coast Fasteners. It measures 1/4" diameter, 1/2" (FT) length, coarse thread, Steel with a Zinc Cr+3 finish. Suited to attaching sheet metal, ductwork, and light gauge steel. These self-tapping screws are part of our Self-Tapping Screws line, stocked across industries such as HVAC, Construction, and Automotive.
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