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> 48 - 4-1/2 x 4-1/2 brass door closer spring hinges
48 - 4-1/2 x 4-1/2 brass door closer spring hinges
These are commercial grade spring hinges that are 4-1/2" by 4-1/2" with square corners as shown. They are brand new in a bright brass #3 finish. Made by Independence2 Hardware. They come with both wood and machine screws as shown.
Finish Description Bright Brass
Ideal for use in corridors, entrances and stairways
Automatically closes doors - an alternative to overhead mounted door closers
Conforms to ANSI/BHMA Standard A156.17
Meets NFPA80 Standard for 3 hour fire rated doors - minimum 2 spring hinges per door required
UK fire approval for use on FD30 and FD60 doors
Use anti-friction hinges with spring hinges for best spring performance
UL listed for doors up to 4'x8' weighing up to 180 lbs.
Pivot point designed to align with CB and FBB series anti-friction bearing hinges
Ratchet design allows for quick fine tuning tension up or down with included tension adjustment pin
