The door hinge bolt M8X20 for the Citroen 11CV/15CV is a specialized metal fastener used for attaching door hinges to the vehicle frame. These bolts are designed to provide a strong and durable connection, essential for smooth door operation. They are specific to older Citroen models, known for their classic design and reliable performance. The M8X20 size indicator refers to the bolt’s dimensions, with an 8mm diameter and 20mm length, ensuring a precise fit for stability and safety.