PBB - BB51630 - Architectural Hinge - Full Mortise - Standard Weight - Ball Bearing - 4-1/2" x 4-1/2" - Stainless Steel - Optional NRP - Grade 2 Pin:Non Removable 2-3-8" Backset

2-3-8" Backset

38 DC Resistance Unbalance (max)

door mounted card readers and low voltage door lights

premium grade

PBB - BB51630 - Architectural Hinge - Full Mortise - Standard Weight - Ball Bearing - 4-1/2" x 4-1/2" - Stainless Steel - Optional NRP - Grade 2 Pin:Non Removable 2-3-8" BacksetThis is a BB51630 Standard Weight Full Mortise Ball Bearing Architectural Hinge manufactured by PBB. PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI). For use on medium weight doors or doors requiring average frequency service. Features Ball Bearing Full Mortise Center Hinge Position 4 1 2" x 4 1 2" Five knuckle Includes Screw Pack with