Large-Diameter ITW ®started production

We have developed and mass-produced the Large-Diameter ITW® up to φ22 mm, which is one of the largest in the world for cold-formed spring steel wires.

Example of a suspension spring using Large-Diameter ITW®  (Diameter: φ17.2mm)

Example of a standard suspension spring using regular ITW®  (Diameter: φ13.1mm)

〈Infomation of a Large-Diameter ITW ®〉

Range of diameter: φ16.1㎜～22.0 ㎜

（Range of regular diameter: Max. φ16.0㎜）

Tensile strength: Max. 2,000 (N/mm2)

*Please contact us for detailed specification.