The Global Door Controls full mortise single acting spring hinges. Recommended for use where automatic self-closing of a door is required. This 3 knuckled hinges is adjustable and the spring tension can be increased or decreased by using included adjusting tool. Full spring tension may not be required on all hinges but allows for greater adjustment.
- Packed with wood and machine screws
- Steel based material
- Meets NFPA 80 for 3 hour fire rating
- 4.5 in. x 4.5 in.
- Square corner
- Conforms to ANSI/BHMA -K81071F for self-closing hinges
- UL R19063

















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