Doors| PBB
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Full Mortise Two Bearing Shim Hinge
The PBB Shim Hinge is for use in Fire Doors where the doors are not square. Putting cardboard or wood shims on fire doors is prohibited, so they have come up with a solution where one of the leaves are drilled tapped and a set screw is inserted. These hinges are only available in 4.5 x 4.5 sizes in brushed chrome finish. They are sold in boxes of three hinges and come with wood and machine screws. The base metal is steel.
SHBB81 -
Reinforcing Pivot Hinge
The reinforcing pivot hinge is a good way to solve door sag issues. And also be a preventative solutions for future isses with extra heavy or wide doors. The hinges comes in two sizes 4 or 4.5 inches, and two finishes, prime coat and satin chrome. The hinge uses a heavy duty ball-bearing to add extra life. The base metal is steel.
GBB85