1.M3-M64 mm or custom 2.High tensile strength 3.High corrosive resistance 4.OEM service offered Item NameTitanium washer and boltsMaterialPure Titanium and Alloy TitaniumGradeGr1,Gr2,Gr5(Ti-6AL-4V),etc.StandardGB,DIN, IFI,UNC,UNC,JIS, BS,BSW ,ISODIN125,912,913,914,915,916,931,933,7991,7984,6921,ISO 7380,JIS,BS etc.SpecificationScrew: M3--M64*L6—300mm (or as per your inquired )Bolt: M3--M64*L6— ...