4-40 x 3/8" (FT) Button Head Socket Cap Screws, Coarse, Alloy Steel, Thermal Black Oxide

South Coast Fasteners stocks the 4-40 x 3/8" (FT) Button Head Socket Cap Screws, Coarse, Alloy Steel, Thermal Black Oxide for fast 3-5 day shipping. It measures #4 diameter, 3/8" (FT) length, coarse thread, Alloy Steel with a Thermal Black Oxide finish. Built for machinery, tooling, and equipment driven with a hex key. These button socket cap screws are part of our Button Socket Cap Screws line, stocked across industries such as Medical and Electrical.

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