... .Standard: GB,DIN, IFI,UNC,UNC,JIS, BS,BSW ,ISO3.Specification:Screw:M3-M24 Bolt: M4-M64*L6—300mm Nut: M2 ... other according customer's drawwing Item NameTitanium FastenerMaterialPure Titanium and Alloy TitaniumGradeGr1,Gr2,Gr3,Gr4,Gr5(Ti-6AL-4V),Gr7,Gr9 ...