Product Name | Ditch Cover | ||||||
Bearing bar | 20*3, 20*5, 25*3, 25*5, 32*3, 32*5, 35*3, 35*5, 40*3, 40*5, 45*5, 50*3, 50*5, 55*5, 60*5, 65*5 mm etc. | ||||||
Bearing bar pitch | 15, 20, 25, 30, 33, 35, 38, 40, 50, 60, 80, 90 mm | ||||||
Cross bar pitch | 24-200 mm | ||||||
Surface treatment | Hot dipped galvanized, painted, untreated | ||||||
Material | Low carbon,middle carbon,stainless steel | ||||||
Standard | 1. China: YB/T4001.1-2007 2. USA: ANSI / NAAMM (MBG531-2000)3. UK: BS4592-2006 4. Australia: AS1657-1992 |