... manufactured according to customers' requirementsFor example:1) Bearing bar pitches may be 12.5, 15 to 30, ... 80 and 90mm; of which 30and 40mm are recommended2) Cross bar pitch may be 30, 38, 50, 76 and 100mm ... 4, 19-w-2, 15-w-2 etc. 3Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, ... coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardChina: YB/T 4001.1-2007, USA: ANSI ...