... bar pitch:30,40,60mm 2>Cross bar pitch;50,100mm 3>Plain,Serrated,I-shape 4>Hot-dipped ... on. 3) Cross Bar Pitch (center to center):38, 50, 76, 100, 101.6mm etc, also be according to ... client's requirement and 50, 100mm are recommended,America standard is available. 4) Material ... will get what you want! steel grating for Power plants Sewage treatment Municipal engineering