These Hot Dipped U Bolts feature added strength. The process of hot dipped galvanizing gives these U Bolts the needed corrosion protection to make them ideal to use in any situation, and especially on boat trailers. To select the correct U Bolt for your application, you must consider the material dimensions that these U Bolts must fit around, and the thickness of the item that you are mounting. Some very common applications for these U bolts are Boat Trailer Bunk Brackets, Leaf Springs, Winch Posts, Trailer tongues, Leaf spring brackets, and trailer cross members.