1. titanium is much lighter than the alloy ones. 2. which is also of high strength and corrosion resistance. 1. titanium is much lighter than the alloy ones.2. which is also of high strength and corrosion resistance.3. we believe in great service everytime all the time!4. We also have experienced engineer to do the check upon ship out. M6-1 Pitch X 16mm titanium Dimpled Hex Head Bolt