Burns 7848 Automatic Flush Bolt with Bottom Fire Bolt is a UL Listed Single Non-Handed Automatic Top Flush Bolt for Metal Doors. Overall length of the top bolt: 6-3/4. Overall length of the bottom fire bolt: 1. Bottom Fire Bolt projects a bolt when subjected to 230 degrees F, locking the leaves together. Mounting options can be specified when ordering. Specified fastener: 7/8 diameter hole in inactive door, 1 diameter hole in active door.
Automatic Flush Bolt with Bottom Fire Bolt - Metal Door
Features: UL Listed Single Non-Handed Automatic Top Flush Bolt for Metal Door with Bottom Fire Bolt. Bottom Fire Bolt eliminates the bottom automatic flush bolt and dust proof strike. BFB projects a bolt when subjected to 230 degrees F - locking the leaves together.
Finishes: US3/605 – Bright Brass US4/606 – Satin Brass US10B/613 – Dark Bronze US32/629 – Bright Stainless Steel US32D/630 – Satin Stainless Steel
Material: Brass or Stainless Steel
Size: Top Bolt: 1" × 6-3/4" Bottom Fire Bolt: 1" x 1-25/32" face plate - Drill 7/8" diameter hole in inactive door, 1" diameter hole in active door
