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South Coast Fasteners stocks the 5/16-18 x 1 1/4" Thumb Screws, Type B (without Shoulders), Coarse, Steel, Zinc Cr+3 for fast 3-5 day shipping. It measures 5/16" diameter, 1 1/4" length, coarse thread, Steel with a Zinc Cr+3 finish. A solid choice for fast, repeatable fastening on the jobsite. These machine screws are part of our Machine Screws line, stocked across industries such as Construction, HVAC, and Furniture.
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