T4A3786 (steel) heavy weight five knuckle full mortise hinges are recommended for use on high frequency and/or heavy wood or metal doors in public buildings where there is heavy traffic.
Features
Heavy weight - for use on all extra heavy and/or high frequency doors
6" × 5" and 6" × 6" Specify T4B3786
8" × 6" have six bearings. Specify T6B3786
Sloped angle of hospital tip (HT) option helps discourage students, inmates, or patients from hanging objects from the top of the hinge
Non-Removable Pin (NRP) option ensures hinge is held in place and can't be removed when door is closed