Bommer
4-1/2 x 4-1/2 Ball Bearing Hinge, Bommer BB5000-450-640
The Bommer BB5000-450-640 is a 4-1/2" x 4-1/2" full mortise hinge designed for medium-duty door applications. This ball bearing hinge is constructed of steel and features a 5 knuckle design, finished in Oil Rubbed Bronze.
Certified to BHMA architectural grade standards, this hinge fits standard commercial applications and is suitable for both metal and wood door installation. Each package includes matching machine and wood screws.
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