ASME ANSI hex nut covers the dimensional requirments of inch series hex nut. The common standard of ASME/ANSI hex nut is ASME B18.2.2. It includes normal hex nut,Website:http://www.chinajinrui.net, hex thin nut,hex thick nut and heavy hex nut. The size from 1 1/8"-1 1/2" diameter. ASME hex nut is widely used, mainly in the field of machinery and equipment, construction, automobile, railway and other industries. The mechanical property has grade 2, grade 5, grade 8.  StandardGradeFinshASME/ANSI B18.2.2 hex nut2white zincyellow zinc  black oxideH.D.GDacromet...58