Don-Jo BB74545 Full Mortise Steel Hinge Ball Bearing Five Knuckle 4-1/2 in. x 4-1/2 in.
ANSI A8112
For medium weight doors, low frequency.
Full Mortise Hinges have one leaf mortised in the door edge and the other leaf mortised in the jamb. This is the most common hinge application.
Five Knuckle with Template Hole Pattern
Supplied with Removable Pin (SRP) as standard.
Steel Removable Pin as standard. Available with Non-Removable Pin for additional upcharge. Please specify -NRP when ordering.
Available with Non-Removable Pin (NRP) for an additional charge. Specify SRP or NRP when ordering..
Non-Removable pin prevents the hinge pin from being removed when the door is closed. A threaded set screw located in the barrel is tightened down into a groove in the hinge pin.
Material: 0.134 gauge Steel
Supplied with wood and machine screws.
Electrified Hinge Option (with 2, 4, 6, or 8 wires) available by special order only. Please call.
Specify finish when ordering.
The following part numbers are available by selecting the options above.
NRPBB74545_600BB74545_600NRPBB74545_632BB74545_632NRPBB74545_633BB74545_633NRPBB74545_639BB74545_639NRPBB74545_640BB74545_640NRPBB74545_651BB74545_651NRPBB74545_652BB74545_652
Global Trade Identification Numbers (GTIN numbers) for this product. GTINs appear on barcodes and identify products sold by different retailers as the same product.