*Actual product and finish may vary
PBB BB81 4.5 x 4.5 Five Knuckle, Standard Weight, Full Mortise ball bearing Hinge
4 1/2” x 4 1/2”
BB81 (ANSI A8112)
BB81
•For use on medium weight doors or doors
requiring average frequency service.
•Ball bearing hinges must be used on doors
in conjunction with door closers and on all
fire rated openings.
•For hospital type, add HT to suffix of part
number.
•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).
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:
.134 ± .005 for 4-1/2” x 4”
.134 ± .005 for 4-1/2” x 4-1/2”
OTHER SPECIFICATIONS:
Height of hinge:
4.50 for 4-1/2” x 4”
4.50 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”
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.
4-1/2” STANDARD SCREW SIZE
FHMS - 12-24 x 1/2”
FHWS - 12 x 1-1/4”
•For use on medium weight doors or doors
requiring average frequency service.
•Ball bearing hinges must be used on doors
in conjunction with door closers and on all
fire rated openings.
•For hospital type, add HT to suffix of part
number.
•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).
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:
.134 ± .005 for 4-1/2” x 4”
.134 ± .005 for 4-1/2” x 4-1/2”
OTHER SPECIFICATIONS:
Height of hinge:
4.50 for 4-1/2” x 4”
4.50 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”
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.
4-1/2” STANDARD SCREW SIZE
FHMS - 12-24 x 1/2”
FHWS - 12 x 1-1/4”
BB81 4545 PBB, Inc. Five Knuckle, Standard, Mortise Hinge
- Brand: PBB, Inc.
- Product Code: BB81 4545
-
$5.25