... quality and competitive price Material:titamium size:m4-m22 bolt with high quality and competitive price Titanium products includes bolts, ... , sprocket wheel. Titanium and Titanium alloy specifications: 1Common Ground a, Bolt sizes:M4-M22*length b, Nut sizes:M4-M22 c ... ,Motorcycles,Electric Vehicles,Medical,Aircarft,Weapons etc Hollow titanium outer hexagon bolt