bar grating 1.Bearing bar pitch:30,40,60mm 2.Cross bar pitch:50,100mm 3Hot-dip galvanizing,Painted bar gratingWe have Plain Style Steel Grating, Serrated ... Style Steel Grating and I Bar Type Steel Grating. They are widely used ... or 3165) Surface Treatment:Untreated, Painting or Hot dip Galvanizing bar grating