Rockwood 555 x 18BFB

Material:

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

Features:

• For Fire Rated Hollow Metal Swinging Doors measuring up to 4'w x 9'h rated up to and including 3 Hours
  
• Fits ANSI A115 door and frame preparation
• 3/4" bolt throw, 3/4" rod backset
• 12" rod length (center of face to bolt end - retracted)
• 1-1/2" adjustable bolt head
• 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

Options:

• Other size rods available are 18", 24", 36", 48"
• Extra long bolt head - 2-1/2" (or to your specification)