... M64SurfaceTreatmentPolishing, Anodizing, Black oxide or Plating colorFeatureslight weight, acid and alkali resistance, anti-corrosion, excellent mechanical strength etc.StandardDIN912 ... weapon, etc.2.Aerospace,Indusrty,Navigation,Smelting,Chemical plants, and so on.Load portShanghai or TianjinPacking boxNon-wooden case, ... by the customers' requirements. din912 gr5 price for titanium bolts and nuts