... price and timely shipment Hot dip galvanized serrated steel flat bar gratingProduct infoa. Material: Q235B, A36, SS400, S235JR, ... SS316Lb. Dimension: Thickness: 3mm-10mmc. Flat bar pitch: 30mm,40mm,50mm,60mmd. Twisted bar pitch: 50mm, 100mme. Length: Regular as ... stainless steel grating.k. Cross bar type: Round bar, I bar, twisted bar, twisted square bar. Flat bar type: Plain or serratedType Bearing ...