Shop our Bullet Weld On Hinges. They can be used in a variety of applications such as, Trailers, Food Equipment, Gates, BBQ pits, Containers and more. Weld-on hinges have specially designed leaves for welding installation. These heavy duty weld-on hinges have the same function as a slip joint hinge, but with a higher load rating and faster mounting. Comes with a bushing between the two leaves for easier mobility. A mill finish is standard on this type of hinge.