... cutter bar is 5x20,6x20,6x21,6x25. cutter bar for combine harvester : 1.35# and 45# Cold-Drawn Steel 2.specification ... cutter bar is 5x20,6x20,6x21,6x25. cutter bar for combine harvester : 1.Products Discription: the material of the cutter bar ... ,such as the combine harvesterswatherlawn mowerthe machine for garden management and any other machinery in the husbandry. cutter bars of combine harvester