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Capital Spring

Metal Springs, Wire Forms, and Stampings

Capital Spring has been manufacturing high-quality extension springs, torsion springs, compression springs, wire forms, fourslide parts and small metal stampings since 1945. Our products are made to the highest standards and we are ISO9001, AS9100D, ITAR, and JCP compliant.

To ensure the most efficient prototyping and production for our clients, Capital Spring consistently evaluates and invests in the latest technology in order to improve throughput, increase repeatability, and reduce costs. Partner with us to get the products you need, when you need them.

We have a team of engineers and manufacturing experts available to help with everything from design questions to timelines and cost. Contact us and we'll make sure the expert best qualified to help gets in touch with you.

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  • We offer compression springs from wire diameters of .007” to .625”.

  • Our extension springs are available from wire diameters of .008” to .625”.

  • We offer single body torsion springs from wire diameters of .008” to .625” and double body torsion springs from wire diameters of .008” to .236”.

  • Our garter springs are most commonly available from carbon steel or stainless steel round wire.

  • Capital offers a wide variety of wire forms from different materials and wire sizes.

  • We manufacture fourslide products and small metal stampings with varying wire diameters and thicknesses.


  • A286
  • Beryllium Copper
  • Carbon
  • Elgiloy
  • Hastelloy
  • High Temperature Alloys
  • Inconel
  • Monel
  • Stainless Steel (all grades)
  • Steel
  • Titanium

Request a Quote

Contact us to learn more about our products and services, or to request a quote.