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Buy the 4-40 x 5/8" Non-Standard Socket Set Screws, Flat Point, Coarse, Black Oxide online from South Coast Fasteners. It measures #4 diameter, 5/8" length, coarse thread, Alloy Steel with a Black Oxide finish. Used in machinery, tooling, and equipment driven with a hex key, it is part of our Flat Point Set Screws line, stocked across industries such as Automotive, Medical, and Electrical.
Pairs well with Flat Washers on the nut side. Please Contact Us if you need assistance in selecting the right product or placing an order.