Brand: National Hardware
MPN: N351-015
4 Inch spring adjustable self closing door hinge, manufactured with cold rolled steel, closing speed is adjustable, fits standard cutouts, tension is adjustable, 5/8 inches radius round corners. Hinge is UL approved for fire doors which must use a minimum of 2 spring and one conventional hinge per door. Doors weighing up to 50 pounds require 1 spring hinge, doors up to 85 pounds require 2 spring hinges. Doors up to 110 pounds require 3 spring hinges. Conforms to ANSI/BHMA Standard A156.17-2004. *NFPA-80 requires fire labeled doors to have a minimum of 2 spring hinges. NOTE: All hinges must have pivot points aligned for smooth operation. Always use same hinge sizes.
- Closing speed is adjustable
- Tension is adjustable
- 5/8 in radius round corners
- Automatically closes doors
- Fully adjustable with wrench provided
- Easy to install
- Capacity: 37 Pounds Per Hinge
- Color: Oil Rubbed Bronze
- Feature: Adjustable Tension
- Installation: Mortise With Metal Machine & Wood Screws
- Material: Cold Rolled Steel
- Product Class: 5/8 Radius Spring Door Hinges
- Size: 4 inch
You will receive 2 Pieces.
