... bar specification:20*3 to 100*62) Bearing bar pitch:12.5,15,25,30,40,60mm etc. also be according ... can also be fabricated.Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40 ... grates,fences,framedgrates,trash rack grates ,paint backing chambers…… Brand compound steel grating