... color titanium bolt from M3~M22XLMM for motorcycle,bicycle,bike,car,racing,medical,industry etc color titanium bolt Titanium and Titanium alloy specifications: 1)Common Ground a, Bolt sizes ... ,Gr12,Gr23 2)Difference: a, Titanium bolt for the chemical aspects,PCBequipment,electrodes. b, Titanium alloy used in Bicycle,Motorcycles,Electric Vehicles,Medical,Aircarft,Weapons ...