Inch Structural Bolt Steel Fastener Finish Plain Dia/Thread Size 1 1/4 In.-7 Fastener Length 3 1/4 in Fastener Thread Type UNC (Coarse) Fastener Industry Standards ASTM F3125 Thread Length 2 in Fastener Thread Direction Right Hand Head Dia 2 in Head Height 25/32 in Tensile Strength (PSI) 150 000 psi Rockwell Hardness HRC25 Package Quantity 5