Usually Ships: 1-3 Business Days

The Cal-Royal UNIFB780 Metal and Wood Door Universal Flush Bolt is a fire-rated, fully automatic flush bolt system designed to secure inactive doors in commercial and institutional settings. This set includes a self-latching top bolt and an automatic bottom flush bolt, offering reliable performance for both metal and wood composite core fire doors up to 8 feet in height. UL Listed and compliant with UL10C and UBC 7-2-1997 standards, the UNIFB780 features a reversible, non-handed design, a 3/4" bolt throw, and 5/8" vertical adjustment for easy installation without removing the door. Built with a durable steel body and stainless steel components, it includes a thermal lock that activates during fire conditions and an override feature to prevent damage from misalignment. Compatible with standard ANSI door preparations and available in multiple architectural finishes, the UNIFB780 is a dependable, code-compliant solution for enhanced door security.