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South Coast Fasteners stocks the 4-40 x 1 1/4" (FT) Button Head Socket Cap Screws, Coarse, Alloy Steel, Thermal Black Oxide for fast 3-5 day shipping. It measures #4 diameter, 1 1/4" (FT) length, coarse thread, Alloy Steel with a Thermal Black Oxide finish. Designed for precision assembly where a tight tolerance matters. These button socket cap screws are part of our Button Socket Cap Screws line, stocked across industries such as Manufacturing and Automotive.
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