Hex Nut, Nut,DIN934 Hex Nut M3-M42 Zinc,Plain,Black,HDG Carbon Steel,Class6,8,10,2H ISO9001:2000 Hex Nuts, Nuts,Hexagon NutsCertificate:ISO9001;2000Product name:HEX NUTS, HEXAGON NUTSMetric Standard:DIN934,DIN555,DIN6915,ISO4032,A563,A563M,A194 2HWe also could produce un-standard products according to customers'drawings or requirementsSize:M3-M42Class or Grade:class/grade 4,5,6,8,10,12Head Mark: ...