Left.M8X20. Right.M8X20. Upper hinge bolt. A Bolt used to attach the Uniside to its mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Liftgate Lock Actuator to it's mounting point. Bolt that secures the Deck Lid Hinge. Bolt that secures the hood Hinge. Bolt used to secure the door Hinge.