stud bolts ( heavy hexagon ) stud bolts ( heavy hexagon ) , stud bolt with 3nuts heavy hexagan studs & nuts for valves 1 ) 7hv003-main inlet to second conveter h-1702-gas 2 ) 7tcv041-cold shot to 2nd conveter h-1702-gas series ( full thread stud ) size:dia 2-3 / 4 length:900 mm thread: 8un series class - 2a / 2b ( thread fit ) stud material:astm-a193 gr b16 nut material:astm-a194 gr4 supply the material in assembled condition. mandayory standars to be followed: ansi-b16.34;ansi-b16.5;ansi-b18.2; ansi-b1.1;ansi-b1.2 note: specifications, supplementary and special requirement as per attachment. material test certificate and manufacturing test certificate required along with supply. packing of studs & nuts to be done to avoid damage of thread during transport and storage. , studs and nuts for valves 1 ) 7hv003-main inlet to 2nd converter h-1702-gas 2 ) 7tvc041-cold shot to 2nd converter h-1702-gas stud bolt with 2 nuts heavy hexagan series ( full thread stud ) size:dia 2-3 / 4;length-450 mmthread: 8 un series class-2a / 2b ( thread fit ) stud material:astm a193 gr b16 nut material:astm a194 gr4 packing of stud and nuts to be done to avoid damage of thread during transport and storage.supply the material in assembled condition mandatory standards to be followed: ansi-b16.34;anis-b16.5;ansi-b18.2; ansi-b1.1;ansi-1.2 note: specifications, supplemetary and special requirement as per attachment.material test certificate and manufacturing test certificate required along with supply. , oil resistant grade cover rubber,