Titanium bolts and nuts Size:>=M3 Grade:Gr2,Gr5 Material:Titanium or titanium alloy Standard:GB, DIN, IFI, JIS. 1. Grade: Gr2, Gr5. ... , IFI, JIS. 3. Specification: Size: >=M3 Length: Need supply. Material: Titanium and titanium alloy 4. Features: High strength, excellent corrosive resistance, rustless, no ...