With steel grade 2,Website:http://www.chinajinrui.net, grade 5, grade 10, ASME ANSI flang nut is widely used in field of machinery and equipment, construction, automobile, railway and other industries. ASME ANSI flang nut also use the dimensional requirments of inch size series hex nut,including UNC thread and UNF thread. The common standard of ASME ANSI flang nut is IFI-145. Size from 1/4-5/8 and can do many kinds of surface treatment.StandardGradeFinshASME ANSI flang nut2white zincyellow zinc  black oxideH.D.GDacromet...58