... dimention 2.applicable steel equipment 3.excellent quality of steel grating 4.reasonable price 1) Bearing bar specification: ... requirement and 30,40,60mm are recommended3) Cross bar picth:38,50,76,100mm,also be according ... America standard can also be fabricated.Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30 ... .25, 45, 50, 60, 60.32, 80, 100Cross bar pith(mm)38, 50, 76, 100, 101.6Thickness(mm ...