Left.COUPE. Lock screw. Right.COUPE. A Screw that is used to secure the Exterior Door Handle Base to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Door Handle Base to it's mounting point. Bolt attaching Door latch to vehicle. Bolt that secures the Exterior Door Handle. Door Latch Screw. AND Amplifier; switch. outside. Combination 8X. Exterior Base. Latch.