#BB81 Ball Bearing Standard Weight Hinge.
Availability: Not every possible configuration is in stock, call to confirm
These hinges are five knuckle two ball bearing.
For use on Medium Weight Doors or Doors Requiring Medium Frequency Service.
All 5" high hinges are .146 thick.
All 4 1/2" high hinges are .134 thick.
All 4" high hinges are .130 thick.
All 3 1/2" high hinges are .123 thick.
All corners are square unless selected above. 1/4" radius is not available on all standard full mortise hinges - please call to confirm.
These hinges are packaged 3 per box.
Please keep in mind to order the correct quantity of hinges required as they are sold each (the price above is for one, not a box of three).
These hinges include all machine and all wood screws.
For 5" and 4 1/2" high hinges, the wood screws are #12 x 1 1/4" flat head and the metal screws are 1/2" x 12/24.
For 4" high hinges, the wood screws are #12 x 1" and the metal screws are 1/2" x 12/24.
For 3 1/2" high hinges, the wood screws are #9 x 1" and the metal screws are 1/2" x 10/24.
All the above hinges are available with Non-Removable Pins (N.R.P.) for outswinging doors. Please selct this feature above.
Security stud is available on all standard full mortise hinges. This option features a stud attached to one leaf which projects into a hole in the opposite leaf when the hinge is in the closed position.
All these hinges have flat button tip. Ball Tips, Steeple Tips and Urn Tips (shown below) are available for most hinges.These tips ship loose are are field installed. You can select this feature above.
Materials and Finishes:
Wrought Steel: Satin finishes or highly polished and plated. All plated finishes have a clear baked finish.
Wrought Stainless Steel: Satin finish non-ferrous, non-corrosive grade 304.
Please keep in mind fire door installations require ball bearing.
Also keep in mind that hinges are measured hieght first and width second and is determined by the hinge when open (Therefore a 4 1/2" x 4" hinge measures 4 1/2" high x 4" wide).
Custom sizes and custom finsihes are available. Contact us with your custom resquests.
* Swagging: Special swagging is available on template hinges. This is priced upon application.
* Hospital Tips: Hospital tips, which feature a slope cut at the knuckle ends to prevent the hanging or mounting of objects on them. Requires a lead time for manufacturing.
* Brass or stainless steel pins are available for added corrosion resistance when not furnished standard.
* No holes, for weld on applications, are available.
** None of these special options are returnable or cancellable once ordered. **
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Click here for a general information sheet on hinge types.
Custom size hinges are available. Please contact us with your special requests.
About PBB Inc.:
PBB Inc. is a manufacturer of quality hinges based in Ontario Cailifornia. PBB Inc. hinges are value and a clear advantage to you, our customer. PBB Inc. hinges comply with ANSI A156.1 (Butts and Hinges), A156.7 (Template hinge dimensions), A156.17 (Self Closing Hinges and Pivots), A156.18 (Materials and Finishes). PBB is backed with many years of experience in the craft of making quality hinges. PBB is devoted to maintaining high quality standards with continual product improvement, service and reliability.