Product NameTitanium Alloy Gr5 Ti6Al4V Titanium Screws for Bicycle Titanium GradeGrade 5(Ti6Al4V) SizesM3 Finish QualityPolished & Anodized colored(Gold,Black,Blue,Light Blue, Purple, Green) FeaturesLow Density,High Strength,Excellent corrosion resistance Production TechnologyCNC & rolled threads 1.Application: Chemical industry, aerospace, spaceflight, surgical implants, as the parts of manufacturing the cars / bike. 2.Advantage: slow density, high strength, good heat resistant, good performance at the low temperature, nonmagnetic, low thermal conductivity, low elasticity modulus.