Ideal hairsprings are made of Phosphor Bronze, Beryllium Copper, Ni - Span C and Bi - metal. Our Be.Cu. springs solder easily. Torque can be held to a low of ± 3%, and as the spring is not formed after heat treating the zero set is vastly improved. The physical dimensions are non - varying from spring to spring or from lot to lot. Formed to your specifications and ready to install - you bebfit in savings - both as to space and labor costs. |