National Hardware N350-777 Spring Door Hinge 3-1/2 Inch Square Corner Satin Nickelby National Hardware
Important Note: Stanley Hardware recently made the decision to transition the complete builder's hardware product line to the National Hardware brand. National Hardware® is the manufacturer-owned brand, whereas Stanley® and the Stanley® Logo are trademarks of Stanley Black & Decker, Inc., or an affiliate thereof, and are used under license.
This change primarily affects packaging and SKU numbers and will have no impact on product performance since both the Stanley® and National Hardware® products are held to the same testing and safety standards and have been manufacturerd by National Hardware® for over 10 years. For more info, contact Stanley National Hardware at 1-800-346-9445.
- Closing speed is adjustable
- Tension is adjustable
- Square corners
- Automatically closes doors
- Fully adjustable with wrench provided
- Lifespan warranty against defects in material and workmanship
- Easy to install
- Use anti-friction hinges with spring hinges for best spring performance
- Cold-rolled steel hinges with a decorative-plated finish have the added protection of baked-on lacquer, which helps retain the original beauty under ordinary condition
3-1/2 Inch spring adjustable self closing door hinge, manufactured with cold rolled steel, closing speed is adjustable, fits standard cutouts, tension is adjustable, square 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.
- 30 Pounds Per Hinge
- Satin Nickel
- 1 each
- Adjustable Tension
- Mortise With Metal Machine & Wood Screws
- Cold Rolled Steel
- Product Type
- Square Spring Door Hinges
- 3-1/2 by 3-1/2 Inch
- ANSI BHMA NFPA80 UL
- To Fit
- Metal or Wood Doors & Frames
- Part Number
- Model Number
- Related Departments
- HardwareHingesSpring Action HingesSpring Door Hinges 3-1/2 Inch
- Shipping Weight
- 12.96 ounces
- Domestic Shipping
- Item can be shipped anywhere in the US including APO/FPO addresses and territories.
- International Shipping
- Item can be shipped anywhere in Canada including the territories.