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Our 12-inch industrial door spring is engineered from high-tensile spring steel for maximum durability and cycle life. Designed to meet ASTM A227/A228 performance standards, it provides reliable tension for heavy-duty commercial and industrial doors. Features a corrosion-resistant zinc-plated finish for long-lasting use. Learn More

This 9-inch door spring is engineered from high-tensile spring steel for reliable, long-lasting tension in commercial and industrial doors. Designed for high-cycle applications, it ensures consistent performance and durability for MRO and new installations. Learn More