Inch Elevator Bolt Head Type - Bolts Flat Steel Material Grade Grade A Fastener Finish Plain Dia/Thread Size 1/4 In.-20 Fastener Length 2 1/4 in Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Industry Standards ASME B18.5 Fastener Thread Style Partially Threaded Head Dia 0.969 in Head Height 5/64 in Rockwell Hardness Max B100 Package Quantity 50