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South Coast Fasteners keeps the 5/16-9 x 3 1/2" Hex Head Lag Screws, Coarse, Stainless Steel 18-8 in stock and ready to ship. Also sold as lag bolts. It measures 5/16" diameter, 3 1/2" length, coarse thread, Stainless Steel 18-8. Suited to attaching sheet metal, ductwork, and light gauge steel, it is part of our Stainless Steel Self-Drilling Screws line, stocked across industries such as Construction, Automotive, and Electrical.
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