Applications：
These mold springs are used for punching flat coil springs used in hardware products.

Features：
These springs are made under strict quality control in accordance with standard specifications set by JIS (Japan Industrial Standards Association), with excellent resistance to high stress, vibration and heat. They highly benefit miniaturization of molds for hardware products while extending mold service life.

Material：
SPO-X is a material especially designed for strength and hardness necessary for mold springs.