National Hardware N350-769 Spring Hinge, Oil-rubbed Bronze, 30 Lb, 3.5 In.

This National Hardware spring hinge is a steel hinge with an oil-rubbed bronze finish designed for doors and fire door applications. It features adjustable tension and closing speed, giving you control over how your door moves and closes.

The hinge fits standard hinge cutouts and is suitable for fire doors up to 3 ft × 7 ft. With a 30 lb weight capacity and eight mounting holes, it provides a reliable solution for residential and commercial door installations where consistent closure is needed.

Features and Benefits

• Adjustable Closing Speed: Control the rate at which your door closes to match your application.
• Adjustable Tension: Fine-tune the spring tension for optimal performance with your door.
• Square-Corner Design: The hinge features geometric square corners for a distinctive appearance.
• Standard Hinge Cutout Compatibility: Installs into existing standard cutouts without custom modifications.
• Fire Door Rated: UL approved and suitable for use on fire doors up to 3 ft × 7 ft.
• Steel Construction: Steel with oil-rubbed bronze finish for durability.

Specifications

• Brand: National Hardware
• Model: N350-769
• Material: Steel with oil-rubbed bronze finish
• Dimensions: 3.5 in L × 3.5 in W
• Weight Capacity: 30 lb
• Mounting Holes: 8
• Application: Standard hinge cutouts; fire doors up to 3 ft × 7 ft
• Certification: UL approved for fire doors