... :Export Quality PackagingDelivery Detail :FOB NINGBOSpecifications(1). Product: Zinc plated nut (2). Standard: DIN934(3). Grade:10.9 ... 40Cr, 35CrMoA, 42CrMoA, 25Cr2MoVA, 35VB, 40CrNiMo,Stainless steel and so onSizeM6-M42 LengthM16-300Type of headSquare,Hex, ... other you can chooseSurface treatmentBlack Oxide,Zinc plated,hot dip galvanized,Dacrotizing plated and your requirementOthersWe can make accroding ...