Grade 8, 5/8"-18 Hex Head Cap Screw, Black Oxide Steel, 2-1/4 in L, 15 PK, EnjoyTool Select, Mfr#: TAPG85818214

Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia./Thread Size 5/8 In.-18, Fastener Length 2 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Fully Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Head Height 27/64 in, Head Width 15/16 in, Package Quantity 15