Double Washers on A490

[feman433]

Just looking for clarification.Am I correct that a flat washer is required on both the head and nut side of a A490 bolt when attaching A36 steel, however a washer is only required on the nut side when attaching A992 steel.Where can I find this info?

 

[CoryPad]

Try these free publications:

http://boltcouncil.org/Publications.html