... muanufactory. Our main products are hex nuts, flange nuts, lock nuts, high nuts, thin nuts, square nuts.product :HEX NUT, FLANGE NUT, SQUARE NUT, HIGH NUT,LOCK NUTStandard,DIN ANSI BSSize ... steel,(Q195,C1035,C1045)Surface: Zinc plated ,Hot dip galvanized,Black,Plain, Yellow zinc.Product Origin,: Haiyan County Zhejiang ... 260X260X140. 20FT FCL:17-24MT.Certification(s), ISO9001:2000. GALVANIZED LOCK NUT