PBB 4B81
Full Mortise Template Hinge
4 Ball Bearing - Heavy Weight
4½" x 4½" Steel
- Five knuckles
- 4 ball bearings
- Heavy weight steel - polished and plated or bonderized and prime coated for painting
- For heavy weight doors receiving high frequency service
- Ball bearing hinges must be used on doors in conjunction with door closers and on all fire rated openings
- Hinges can be furnished hospital type
- All hinges are ANSI template
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.
OTHER SPECIFICATIONS:
Height of hinge:
4.50 (+.000/-.015) for 4-1/2” x 4-1/2”
Width:
4.50 ± .015 for 4-1/2” x 4-1/2" Material Gauge:
.180 ± .005 for 4-1/2" x 4-1/2"
Priced per each hinge.
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