... zinc,color zinc,black oxide,chrome platedMin Order:100000 pcsStandard:JIS,BS,ISO,DINPacking:carton box,poly bag,and paper bag ... ,IFI D-12,AS1112,UNI 5587,B.S.916,B.S.1083, B.S.1768,B.S.1769,JIS B 1181M2-M68 1/8"-3" 2HEXAGON ... /4" 4SQUARE NUTSDIN557.IFI D-12,IFI D-3,B.S.M5-M16 1/4"-5/8" 5HEXAGON COUPLING NUTSDIN6330,DIN6334M6-M36 ...