Three Knuckle Hinges

McKinney TA714 Three Knuckle Standard Weight Hinge - 4.5" x 4.5"- PACK SIZE OF 3 The full mortise bearing hinge is recommended for standard weight, medium frequency doors, or doors with closing devices. Use for the common flush door/frame/wall application. Base Material: Steel Finish:...

McKinney TA786 Three Knuckle Heavy Weight Hinge - 4.5" x 4.5"- SOLD PER 3 Recommended for use on high frequency and/or heavy wood or metal doors in schools, hospitals or other public buildings where heavy traffic is experienced. Heavy weight hinges should be used...

Ives 3SP1 3-Knuckle Spring Hinge, Standard Weight, 4-1/2" x 4-1/2" For use with fire doors where self-closing is required Maximum door weight 120 lbs, max door width 36″ Maximum labeled door size – 3’0″ wide x 7’0″ x 1-3/4″ thick as set in NFPA...