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Expand the Possibilities.
Experience the Duer Difference.

When world-class companies need a highly technical spring for the most critical industrial applications in the world, they turn to Duer/Carolina Coil. Duer Carolina springs are setting the standard for performance and endurance, as each coil goes through Magnetic-Particle Inspection and rigorous in-house, in-process testing. Read More >>

Solid Springs. Solid Steel.

Without the quality of the materials, Duer/Carolina Coil couldn’t make the world’s best industrial spring. The steel manufacturers we work with are legendary for innovation and continuous quality improvement. Read More>>

Think Big.

Oil and gas companies have been focused on reducing costs and creating greater operational efficiencies. Large springs within actuators must be reliable and safe, and perform in aggressive environments. Read More >>

Optimum Metallurgical Integrity.

Duer/Carolina Coil manufactures hot wound springs to the highest levels of precision. Find out how in this 1-minute video.