Hot dip galvanized serrated steel flat bar grating Excellent quality, competitive price and timely shipment Hot dip galvanized serrated steel flat bar gratingProduct infoa. Material: Q235B, A36, SS400, S235JR, SS304, SS316, SS304L, SS316Lb. Dimension: Thickness: 3mm-10mmc. Flat bar pitch: 30mm,40mm,50mm,60mmd. Twisted bar pitch: 50mm, 100mme. Length: Regular as 3m per piecef. Material: A36 or ...