... .full range in type and dimention 2.applicable steel equipment 3.excellent quality of steel grating 4.reasonable price ... requirement and 30,40,60mm are recommended3) Cross bar picth:38,50,76,100mm,also be according to ... 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) ...