... 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:M3-M48, 5/32- 2 ... C1035,C1045)Surface: Zinc plated ,Hot dip galvanized,Black,Plain, Yellow zinc.Product Origin,: Haiyan County Zhejiang Province ... FCL:17-24MT.Certification(s), ISO9001:2000. GALVANIZED LOCK NUT