The Global Door Controls 4 in. x 4 in. satin nickel steel hinge with 5/8 in. radius functions as a full mortise single acting spring hinge. Recommended for use where automatic self-closing of a door is required. Hinge is adjustable and the spring tension can be increased or decreased by using included adjusting tool. For maximum versatility use 3 hinges on required opening. Full spring tension may not be required on all hinges but allows for greater adjustment.
- UL R19063 listed for “A” label fire doors
- Steel based material
- Template screw hole locations
- Packed with both wood and machine screws
- Radius corner
- Full mortise
- Zig Zag hole pattern















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