PBB CB81 4-1/2" x 4" Concealed Bearing Hinge 3-Knuckle Full Mortise Standard Weight

SKU: CB81-4540
Weight: 1.00 LBS

Call us: 1-800-992-3667


All Hinges Sold 1 Each.

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PBB CB81  4-1/2" x 4" Concealed Bearing Hinge 3-Knuckle Full Mortise Standard Weight, CB81 4 1/2" x 4" Concealed Bearing Hinges Are For medium weight doors receiving medium frequency service. Concealed bearing for trouble free long life application. 


  • Full Mortise
  • Wrought Steel
  • Non-rising removable pin
  • Hole in bottom tip for easy pin removal
  • Attractive slim barrel with flush pins and plugs
  • May be used on fire rated openings
  • 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
Material Gauge: .134 ± .005
Size: Height: 4.50 (+.000/-.015)
Width: 4.00 (+.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: A8112

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Finishes Chart

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