ISO hex nut,Website:http://www.chinajinrui.net, as an international common standard, is widely used in the field of machinery and equipment, construction, automobile, railway and other industries. The Nut mechanical property has grade 4, grade 6, grade 8 and grade 10. ISO hex nut covers the dimensional requirments of metric series hex nut,including coarse thread and fine thread. The common standard of ISO hex nut is ISO4032, with sizes arrange from M3-M64 diameter.StandardGradeFinshISO hex nut4white zincyellow zinc  black oxideH.D.GDacromet...6810