A Helical Door Spring is a coiled mechanical spring designed to assist in the automatic closing of doors. Made from high-tensile steel, it provides reliable tension and durability for long-term use. Commonly used in lightweight doors, it ensures smooth closing action without the need for hydraulic systems. Its compact design allows for easy installation on both residential and commercial doors. Ideal for enhancing safety and energy efficiency, the helical door spring offers a cost-effective and maintenance-free door-closing solution.