... steel grating 4.reasonable price 1) Bearing bar specification:20*3 to 100*62) Bearing bar pitch:12.5,15,25,30 ... grating with America standard can also be fabricated.Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30.16 ... grates,fences,framedgrates,trash rack grates ,paint backing chambers…… Brand compound steel grating