Pack Of Six Adjustable Spring Door Hinges Auto Close No Pin Needed With Ratchet Adjustment Square Corner 4-1/2 Inch Hinges Ideal For Corridors Entrances And Stairways Commercial Grade Hardware

Pack of Six Auto-Close Spring Door Hinges for Doors
✔️ Ratchet adjustment, 4-1/2 in square corners, UL 180 lb

These are six-pack commercial-grade spring door hinges with square corners designed to auto-close doors in busy spaces. Ideal for corridors, entrances, and stairways, they offer a dependable alternative to overhead closers and support fire-rated installations.

✅ 4-1/2 in x 4-1/2 in square corner mounting (114 mm x 114 mm)
✅ UL listed for doors up to 4 ft x 8 ft (1.22 m x 2.44 m) and up to 180 lb (82 kg)
✅ Satin Chrome finish for durability and a professional look
✅ Patented ratchet adjustment eliminates need for a locking pin during install
✅ NFPA8 compliant for 3-hour fire-rated doors; minimum 2 hinges per door
✅ ANSI/BHMA A156.17 Grade 1 performance
✅ Pack of six hinges for easy replacement across multiple doors

💡 What is a door hinge with spring close used for in commercial settings?

These handy hinges provide automatic closing for heavy-traffic doors and help meet safety and fire-rating standards. - Ideal for hand-free closing in corridors and entrances - Enhances accessibility by ensuring doors fully close after use - Reduces noise, drafts, and wear compared to manual closers - Works with square corner mounting and standard 4-1/2 inch hinges