Templates: 2B45

2B81 – Two Knuckle Ball Bearing Hinge

Standard Weight: 4.5″ x 4″ or 4.5″ x 4.5″

PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI).

  • For use on medium weight doors or doors requiring average frequency service.
  • Secure: Door cannot be lifted off when in closed position.
  • Concealed Delrin bearing takes both vertical and lateral loads
  • Handing of hinge is required
  • All hinges are ANSI template.

HINGE SWAGING: A standard swaging of our standard weight full mortise hinge when closed to parallel position provides a 1/16” clearance between leaves.

2B81: Available Materials

2B81 (ANSI A8112)
Steel – Polished and Plated or Bonderized and Prime Coated for Painting
2B51 (ANSI A5112)
Stainless Steel – Polished and Satin Finish
2B21 (ANSI A2112)
Brass – Polished and Plated or Bonderized and Prime Coated for Painting with Stainless Steel Pin

2B81: Product Specifications

MATERIAL GAUGE:
.134 ± .005 for 4-1/2” x 4”
.134 ± .005 for 4-1/2” x 4-1/2”
HEIGHT OF HINGE:
4.50 (+.000/-.015) for 4-1/2” x 4”
4.50 (+.000/-.015) for 4-1/2” x 4-1/2”
WIDTH:
4.00 ± .015 for 4-1/2” x 4”
4.50 ± .015 for 4-1/2” x 4-1/2”
4.5” STANDARD SCREW SIZE
FHMS – 12-24 x 1/2”
FHWS – 12 x 1-1/4”
PACKAGING 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.