PBB 4C81 4-1/2" x 4-1/2" Concealed Bearing Hinge 3-Knuckle Full Mortise Heavy Weight

SKU: 4C81-4545
Weight: 1.00 LBS

Call us: 1-800-992-3667


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PBB 4C81 4-1/2" x 4-1/2" Concealed Bearing Hinge 3-Knuckle Full Mortise Heavy Weight, For use on heavy doors or doors receiving high frequency usage. Concealed bearing type hinges must be used on doors in conjunction with door closers and on all fire rated openings. 


  • Concealed bearing for trouble free long life application
  • Hole in bottom tip for easy pin removal
  • Non-rising removable pin
  • Attractive slim barrel with flush pins and plugs
  • Full Mortise
  • Wrought Steel
  • All hinges are ANSI template


General Product Information: PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI)
Material: Steel-Polished and Plated or Bonderized and Prime Coated for Painting
Hinge Swaging: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16" clearance between leaves
Material Gauge: .180 ± .005
Size: Height: 4.50 (+.000/-.015)
Width: 4.50 (+.000/-.015)
Standard Screw Size: FHMS - 12-24 x 1/2"
FHWS - 12 x 1-1/4"
Packing Information: One hinge per plastic bag, 3 hinges and 1 screw pack per unit carton
16 unit carton or 48 hinges per master shipping carton
1 screw pack includes all machine screws (24), and 1/2 wood screws (12). ATMS & AWS also available
Manufacturer: PBB Inc.


ANSI: A8111

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