1.Material:Low carbon steel 2.Top: plain 3.Cross bar: round 4.Standard:ANSI/NAAMM(MBG531-88),BS4592-1987,AS1657- ... , opening, edging and other processes. The products enjoy the features of high strength, light structure, high bearing, convenience for loading and ... : NoItemDescription1Bearing bar25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm2Bear bar pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30 ...