National Hardware N350-827 Spring Door Hinge, Oil-rubbed Bronze, 3-1/2 In.

This National Hardware spring door hinge is a self-closing, adjustable hinge engineered for standard door applications and fire-rated doors. The spring-loaded mechanism closes the door while allowing you to adjust both closing speed and tension. Fits standard hinge cutouts and is rated for fire doors up to 3 feet wide by 7 feet tall.

Built with cold rolled steel and finished in oil-rubbed bronze, this hinge is constructed for durability and long-term performance. The adjustable spring tension allows you to customize closing speed to match your specific needs. With a 30-pound weight capacity and six mounting holes for secure installation, this hinge delivers reliable service across applications.

Features and Benefits

• Adjustable Closing Speed and Tension: Fine-tune how your door closes to match your specific requirements.
• Cold Rolled Steel Construction: Heavy-duty steel material resists wear and maintains functionality through years of daily use.
• Fire Door Rated: UL approved for fire doors up to 3 ft × 7 ft.
• Oil-Rubbed Bronze Finish: Adds a sophisticated look to any door.
• Standard Hinge Cutout Compatible: Installs into existing hinge cutouts without custom modifications or drilling.
• 30-Pound Weight Capacity: Supports doors with reliable performance.

Specifications

• Brand: National Hardware
• Model: N350-827
• Size: 3-1/2 inches
• Material: Cold rolled steel
• Finish: Oil-rubbed bronze
• Weight Capacity: 30 pounds
• Mounting Holes: 6
• Corner Style: 1/4 inch radius round corners
• Application: Standard hinge cutout and fire doors up to 3 ft × 7 ft
• Certifications: UL approved for fire doors