... Surface Treatment :Polishing, Anodizing, Black oxide 1. Grade:Gr2, Gr5(Ti-6Al-4V)2. 2.Specification: M3-M303. Length: 6mm-300mm4 ... NameTitanium FastenerMaterialPure Titanium and Alloy TitaniumGradeGr1,Gr2,Gr3,Gr4,Gr5(Ti-6AL-4V),Gr7,Gr9,Gr12, etc.StandardGB,DIN, IFI,UNC ... we will deal with your enquiries efficiently. Titanium fastener--hexagon bolts with flange