Material:Flush bolt – brass
Bottom fire bolt – stainless steel
Size:Top bolt: 1" x 63/4"
Bottom bolt: 13/16" dia.
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: For Fire Rated Plastic & Wood Covered Fire Doors measuring up to 4'w x 9'h rated up to 20 minutes
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