The National Hardware N830-404 is a security door hinge designed for sturdy door applications. Built from steel with a satin nickel finish, this full-mortise hinge provides secure, reliable operation for doors requiring durable hardware.
With a 55-pound weight rating and five-knuckle construction, this hinge is ideal for heavy-duty use. The flush, removable pin design allows for quick installation and simple door removal when needed. Square corners and countersunk screw holes with included fasteners make setup straightforward without additional hardware purchases.
Features and Benefits
- 55-Pound Load Rating: Ideal for sturdy door applications that require a secure, dependable hinge.
- Full-Mortise, Five-Knuckle Construction: Ensures smooth, reliable operation.
- Flush, Removable Pin: Allows quick installation and simple door removal when needed.
- Countersunk Screw Holes: Fasteners included for immediate installation without additional hardware purchases.
- Satin Nickel Finish: Steel construction with a satin nickel finish for a refined appearance.
- Square Corner Design: Full-mortise mounting with ten screw holes for secure installation.
Specifications
- Brand: National Hardware
- Model: N830-404
- Material: Steel
- Finish: Satin Nickel
- Dimensions: 4 inches length x 4 inches width
- Number of Knuckles: 5
- Pin Type: Flush, removable
- Mounting Type: Full-mortise
- Mounting Holes: 10
- Weight Rating: 55 pounds
- Includes: Fasteners








