Hot Dip Galvanized Steel Grate 1. Bearing bar pitch:30,40,60mm ... bar pitch: 50,100mm 3.Type:Plain,Serrated,I-shape Hot Dipped Galvanized Steel Grating1. Material: stainless steel plate, Low carbon ... /60/50G455/60/50G505/60/50G555/60/50G605/60/50 Hot Dip Galvanized Steel Grate (Manufacturer)