Mastercoil Spring Co

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Mastercoil Spring is one of the leading manufacturers of tight tolerance - light wire, (.012 - .135) Springs in the U.S. Based in McHenry, Ill., the company is ISO 9001 - 2000 registered and is a certified supplier that develops a "food grade" passivation process to fit its customer's requirements. It specializes in CAD capability, quality programs exceeding industry standards, in- house tooling, in - line heat-treating, stocking programs to fit J I T requirements, computerized scheduling, grinding and many more.