... .1>Steel grating bearing bar pitches may be 15 to 20,25,30,33,35,38,40,50,60,80,90mm,of ... which 25,30,35 and 40mm are recommended .2>Steel grating cross ... grid mesh seriesSeries distanceTraverse line distanceLoad flat specifications (wide×thick)20×325×332×340×320×525×5130100G203/30/100G253/30/100G323 ...