Firstly,please check below photo,all can figure out that the bolt on left has bright gold finish and the right one has matte gold finish.All are anodized colored at the same time.Can you figure out which titanium bolt has high quality raw material? Answer is the left one.The right one is produced from the wasted titanium alloy Grade 5 and its chemical composition is not qualified.

It is an easy way to distinguish raw material quality of titanium bolts good or bad.