Column assy lock bolt. US BUILT. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Ignition Switch 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 Ignition Lock Cylinder Housing to a mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Ignition Switch Actuator 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 Steering Column Housing Support 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 Steering Column Housing to it's mounting point. Part cannot be reused/reinstalled. Part is included in Column assembly. Steering Column Bolt. Steering Column Lock Bolt. Included with: Column assembly, Steering Column.