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Buy the #4-24 x 1/2" (FT) Slotted Flat Head Self Tapping Screws (Type AB), Coarse, Zinc Cr+3 online from South Coast Fasteners. It measures #4 diameter, 1/2" (FT) length, coarse thread, Steel with a Zinc Cr+3 finish. Used in 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 Automotive, Electrical, and HVAC.
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