... Specification:Density:4.51g/cm3Item:Gr5 JB/ZQ4321 U Type Titanium BoltsMaterials:TitaniumGrade:Gr2/Gr5Standars:JB/ZQ4321Size:M6-M16Surface:Polished ... 2.Products image: 3.Application: JB/ZQ U Type Titanium Bolts used in chemical,petro,electroplating, aeroplane,bicycle, ... China manufacturers and suppliers of gr5 jb/zq4321 u type titanium bolts. We are equipped with a professional factory which ...