A Helical Tension Spring is used in the tensile direction, as opposed to a Helical Compression Spring, and has hooks at both ends of a coil for attaching to the relevant product. The Tension Coil Springs have many applications.
Murata Spring responds to the needs of industry by manufacturing springs for drum brakes that serve as important security components and small springs for electrical instruments. The majority of domestic demand is for springs for drum brakes. Complete mechanization and automation of coiling, hook forming, and final inspection using special purpose machines and self-developed machines result in the supply high quality products at low cost. Products made from wires with diameters of 0.2 to 6.0 mm are available.