... Packaging & Delivery Packaging detail:Export Quality PackagingDelivery Detail :FOB NINGBOSpecifications(1). Product: BOLT AND NUT(2). Standard: ASTM A325M ... 35CrMoA, 42CrMoA, 25Cr2MoVA, 35VB, 40CrNiMo,Stainless steel and so onSizeM6-M42 LengthM16-300Type of headSquare,Hex,Flange, ... Oxide,Zinc plated,hot dip galvanized,Dacrotizing plated and your requirementOthersWe can make accroding to your drawing ...