1.M3-M64 mm or customize 2.High tensile strength 3.High corrosive resistance 4.pure titanium and titanium alloy Item NameTitanium washerMaterialPure 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* ...