Templates: WTBB35 | WTBB40 | WTBB45 | WTBB50
THIS HINGE CAN BE MADE IN THREE OR FIVE KNUCKLE CONFIGURATION.

WBPB81 – Plain Bearing Welding Butt Hinge

Standard Weight: 
3.5″ x 4.0″
3.5″ x 5.0″
4.0″ x 4.5″
4.0″ x 5.0″
4.0″ x 6.0″
4.5″ x 5.0″
4.5″ x 6.0″
4.5″ x 7.0″
4.5″ x 8.0″
5.0″ x 6.0″
5.0″ x 7.0″
5.0″ x 8.0″

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 requiring low frequency service.
  • For use where doors must clear molding or protrusion, positioning the door out further, when open.
  • Not for use with door closer.
  • For hospital type, add HT to suffix of part number.
  • 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.

WBPB81: Available Materials

WTPB81 (ANSI A8133)
Steel-Polished and Plated or Bonderized and Prime Coated for Painting

WTPB21 (ANSI A2133)
Brass-Polished and Plated

WTPB51 (ANSI A5133)
Stainless Steel-Polished and Satin Finish

WBPB81: Product Specifications

MATERIAL GAUGE:
.123 ± .005 for 3-1/2” x 4” & 3-1/2″ x 5”
.130 ± .005 for 4” x 4-1/2”, 5”, 6”
.134 ± .005 for 4-1/2” x 5”, 6”, 7”, 8”
.146 ± .005 for 5” x 6”, 7”, 8”
HEIGHT:
3.50 (+.000/-.015) for 3-1/2”
4.00 (+.000/-.015) for 4”
4.50 (+.000/-.015) for 4-1/2”
5.00 (+.000/-.015) for 5”
WIDTH:
4.00 ± .015 for 3-1/2” x 4”
5.00 ± .015 for 3-1/2” x 5”
4.50 ± .015 for 4” x 4-1/2”
5.00 ± .015 for 4” x 5”
6.00 ± .015 for 4” x 6”
5.00 ± .015 for 4-1/2” x 5”
6.00 ± .015 for 4-1/2” x 6”
7.00 ± .015 for 4-1/2” x 7”
8.00 ± .015 for 4-1/2” x 8”
6.00 ± .015 for 5” x 6”
7.00 ± .015 for 5” x 7”
8.00 ± .015 for 5” x 8”
3.5” WIDE THROW STANDARD SCREW SIZE
FHMS – 10-24 x 1/2”
FHWS – 10 x 1”
4” WIDE THROW STANDARD SCREW SIZE
FHMS – 12-24 x 1/2”
FHWS – 12 x 1-1/4”
4.5” WIDE THROW STANDARD SCREW SIZE
FHMS – 12-24 x 1/2”
FHWS – 12 x 1-1/4”
5” WIDE THROW 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.