Titanium standard parts Material:Gr1,Gr2,Gr5 with various types and specifications Bolt: ... , Gr2, Gr5type Hex Head Titanium ScrewApplications: bicycle, golf and medical equipments,optical coating material.medicial,aviation, military,petrochmeical engineering,metallury,salt ... , Aeros pace or Military, Petroleum Car,, Motor vehicle manufacturing, Machine parts, High corrosive environment etc.