... Galvanized sheet 2.Bearing Bar pitch:30,40,60mm 3.Cross Bar pitch:50,100mm 4.Hot-dipped ... and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of I ... / center to center:12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, ... is also available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', ... (11-w-4), (8-w-4) and so on.>3) Cross Bar Pitch / center to center:38, 50, ...