Button Head Socket Screws (Hex Socket Round Heads) have a domed head with a hexagon socket (allen key) drive. Available in both 304 and 316 stainless steel with the distinctive hex drive recess. Ranging in diameter from M3 to M12 and made to ISO7380 in metric, 3/16 to 1/2 inch in UNC, 3/16 to 5/16 inch in UNF while ranging in length from 6mm to 80mm.
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