... M16 M18 2.length:16-200mm 3.stainless steel(sus304/A2,sus316/A4) 4.SGS,ISO stainless steel din603Features: StandardsISO, DIN, AS/NZS, GB, ANSI ... 50pcsAfter-sale serviceIf there are any quality problems, please contact with us at onceSurface treatmentPassivation,dacroblack,QPQ,PlainPackinggeneral export packing poly ...