National Mfg N236-612 Door Gate Spring 14 Inches Black

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N236-612 is a 14-inch black door and gate spring built for automatic self-closing applications. Manufactured from hot rolled steel with a triple-protected finish, this spring resists corrosion in demanding outdoor and high-moisture environments. The closing tension is field-adjustable, allowing installers to dial in the right resistance for the specific door or gate weight. At 14 inches, this spring is sized for heavier applications where a shorter spring would not provide adequate closing force. Mounting screws are included for a straightforward installation.

This spring is suited for residential and light commercial gate and door installations where consistent, automatic closing is required. Typical applications include wooden or metal fence gates, utility doors, and similar access points that must return to a closed position after each use. The adjustable tension feature makes it adaptable across a range of door weights and swing angles. It is commonly installed by fence contractors, general contractors, and experienced DIYers working on perimeter access control or property enclosure projects.

Key Features

• Self-closing design automatically returns doors and gates to the closed position
• Adjustable closing tension to match door or gate weight
• 14-inch size rated for heavier door and gate applications
• Manufactured from hot rolled steel for strength and durability
• Triple-protected finish provides enhanced corrosion resistance
• Mounting screws included for complete out-of-box installation

Compatibility

Designed as a self-closing spring for residential and light commercial doors and gates where heavier closing tension is required. Use the 14-inch size for heavier applications requiring greater spring force.

Installation Notes

Installation is typically performed by fence contractors or general contractors using standard hand tools. Ensure the door or gate is properly hung and aligned before mounting the spring to avoid binding. Adjust the tension incrementally after mounting and test the closing action through the full range of motion before finalizing the installation. Follow all applicable local building codes governing fence and gate hardware.