For more than 120 years, Duer/Carolina Coil has been perfecting the art of engineered springs. Our products are used throughout the world in some of the most demanding applications, servicing our customer’s exacting needs for quality, performance, price and delivery.
We manufacture hot wound springs from 0.50″ (13mm) to 3.125″ (80mm) bar utilizing state-of-the-art furnace technology and carefully controlled manufacturing processes that guarantee consistency from spring to spring. This yields unparalleled metallurgical integrity and the most value for your investment.
All of our hot wound springs endure in-process inspection at each step of manufacturing to ensure product conformance, and we have computerized load-testing equipment capable of testing loads from 50 pounds (23 kilograms) to 150,000 pounds (68,000 kilograms).
With this attention to detail, you can count on your hot wound spring to perform flawlessly, to your exact specifications.