Grade 5, 1/4-28 Hex Head Cap Screw, Black Oxide Steel, 4-1/2 in L, 25 PK
.Thread Length 3/4 in, Head Height 5/32 in, Head Width 7/16 in, Package Quantity 25 Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 5, Fastener Finish Plain, Dia.1, Head Type Hex, Min.-28, Fastener Length 4 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.