
The Automatic Flush Bolt is a premium high-performance locking device specially engineered for commercial door applications. It boasts a 1.5-hour fire resistance rating and an impressive million-cycle service life, ensuring stable and reliable performance even in high-traffic public areas.
The bolt works fully automatically: it locks instantly as the door closes and unlocks when the door is opened, saving manual operation effort completely. Adopting a non-handed design, it allows flexible installation at either the top or bottom of doors. It also supports 1/2-inch vertical adjustment for easy position alignment. With outstanding safety and adaptability, it serves as a perfect security fitting for fire doors and double doors.