Door hinges, commonly known as steel hinges, find extensive use in roll-off containers. These heavy duty door hinges, equipped with zerk fittings, are predominantly employed on rear doors to facilitate their opening and closing. Notably, their substantial strength enables them to bear the weight of the door effectively. HY ENVIROTECH offers door hinges ideal for welding and installation in various daily applications. Their impressive load-bearing capacity ensures durability over time. Comprising one large plate, one small plate, a shaft with a grease fitting and cotter pin, and three bushings, these hinges are designed for lasting performance.