... .The bearing bar comes in the form of a plain surface flat bar, commonly used for platforms, trenchgratings, ... 1100mm6.Finished:untreated,painted or hot dip galvanized7.Top:plain or serrated8.Standard:ANSI/NAAMM(MBG531-88),BS4592- ... machinery industry,shipbuilding, harbor,oceanographic engineering,building,paper mills,cement plant,medicine,spinning and weaving,foodstuff factory,transportation,municipal ...