Description
Full Mortise
HEAVY WEIGHT – BALL BEARING
For heavy weight doors / high frequency
BB5004 STEEL with steel pin
ANSI A8111
- TEMPLATE
- FOUR BALL BEARINGS
- FIVE KNUCKLE
- NON-RISING REMOVABLE PIN
- BUTTON TIP PIN & PLUG
- COMPLIES WITH NFPA 80 FOR USE ON FIRE DOOR ASSEMBLIES