557 x 19BFB

Lever Extension Flush Bolt With Bottom Fire Bolt

Specs

Material:

  • Flush Bolt - Brass
  • Bottom Fire Bolt - Stainless Steel

Fastener: 7 ea. #8 x 3⁄4 FH Combo Screws; 4 ea. 8-32 x 1/2 FH MS; 4 ea. #8 Counter Sunk Washer

Features:

  • 3/4" bolt throw, 3/4" backset; door strength maintained by corner reinforcing plate
  • When door is subjected to 230˚F the plug and black plastic cover will melt allowing the bolt to project, locking the leaves together
  • Bottom fire bolt eliminates need for floor prep
  • Oversize fire bolt strike hole allows for slight door misalignment

Part Number

Top Bolt Size

Bottom Bolt Size

Weight

557x19BFB 1" x 6-3/4” 13/16" dia. 0.9 lbs.
Finishes

Description

US

ANSI/BHMA

 
Satin Chrome Plated US26D 626 626