Inch Structural Bolt Steel Material Grade A325 Type 1 A563-C Fastener Finish Plain Dia/Thread Size 1 1/4 In.-7 Fastener Length 4 1/4 in Fastener Thread Type UNC (Coarse) Fastener Industry Standards ASTM 563 ASTM F3125 Thread Length 2 in Fastener Thread Direction Right Hand Head Dia 2 in Head Height 25/32 in Tensile Strength (PSI) 105 000 psi Rockwell Hardness HRC19 Includes Heavy Nut Package Quantity 5