The die springs is also called the rectangular spring, because the section of the material is rectangular, so it is called the rectangular spring.
The die springs is the spring brand produced by the United States union spring company, and the United States spring company is the largest precision spring manufacturer in the world. The rectangular springs are famous for many years with stable performance. The rectangle spring is very suitable for occasions with high load and limited space. It is designed for holes or for axle and meets the requirements of high speed compression and overweight load.