... , 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 ... "Material,Carbon steel,(Q195,C1035,C1045)Surface: Zinc plated ,Hot dip galvanized ... size,260X260X140. 20FT FCL:17-24MT.Certification(s), ISO9001:2000. GALVANIZED LOCK NUT