... 4.reasonable price 1) Bearing bar specification:20*3 to 100*62) Bearing bar pitch:12.5,15,25, ... requirement and 30,40,60mm are recommended3) Cross bar picth:38,50,76,100mm,also be according to ... dip galvanizing.7Steel grating with America standard can also be fabricated.Grating Dimension Bearing bar pitch(mm)12.5, 15 ... 41.25, 45, 50, 60, 60.32, 80, 100Cross bar pith(mm)38, 50, 76, 100, 101.6Thickness(mm) ...