Inch Structural Bolt Steel Material Grade A325 Type 1 Fastener Finish Plain Dia/Thread Size 1 1/8 In.-7 Fastener Length 6 in Fastener Thread Type UNC (Coarse) Fastener Industry Standards ASTM F3125 Thread Length 2 in Fastener Thread Direction Right Hand Head Dia 1 13/16 in Head Height 11/16 in Tensile Strength (PSI) 105 000 psi Rockwell Hardness HRC19 Package Quantity 5