Door check bolt. Left.HINGES & STRIKER. M8x23. PartQualifier: M6x12. PartQualifier: M8x23. Right.HINGES & STRIKER. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Instrument Panel Crossmember to a mounting point. Door Check Bolt. rod mount. COMBINATION SCREW 8X. Instrument Panel Crossmember. REINFORCED beam.