Belt & retractor bolt. Left. Right. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Seat Belt Pretensioner to its mounting surface. Seat Belt Lap and Shoulder Belt Bolt. Anchor MOUNTING. AND. AND Amplifier. AND Amplifier; mount. AND mount. Lap and Shoulder. Outer Assembly. Pretensioner.