Commercial Grade Full Mortise Butt Hinge
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For hinging two doors together for medium duty bi-folding door applications. Can also be used for standard swing doors. For use on heavy-weight doors OR doors that require high-frequency service.
Fasteners Included: (8 ea.) #12" x 1-1/4" Flat Head Phillips Sheet Metal Screws, (For Wood Doors) and (8 ea.) #12-24 x 1/2" Undercut Flat Head Phillips Type-F Screws, (For Metal Doors).
4 Ball Bearings, 5 Knuckle, Square Corners, Removable Pin. Reversible with flat head fasteners.
Meets BHMA/ANSI A8111 standard.
Number of Hinges per Door Guidelines:
Based on the height of the door the following are general guidelines for selecting the proper number of hinges.
For additional technical data see 45BH Hinge General Information.pdf
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