Anodised GR5 titanium bolt for bicycle Low density, rustless, high strength, recycled and ... ’s drawing and specification. 3.Material of Titanium: Commercial Pure (CP) Titanium: Gr1, Gr2, Gr3, Gr4. Titanium Alloy: Gr5 , Gr7 , Gr9 , Gr12 , etc ... , racing motorcycle, racing car6. Technique:CNC machining 7.Anodised Colour: gold ,blue,green, purple,blackProducts Types1.Head Type:Round,Pan,Hex ...