R.C. Coil Spring - Tapered Springs
E-mail: info@rccoilspring.com  |  Call Us: 630.790.3500   
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Tapered Springs



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A Tapered Spring or Conical Spring is a compression spring whose outside diameter varies over its length. Usually a tapered spring has a small outside diameter at the top and a larger outside diameter at the bottom.
  • Manufactured to tight tolerances and stringent quality control standards.
  • Specializing in fine diameter, non-standard cross section, and specialty material wire.



Specifications · Materials · Capabilities

Specifications

Wire Sizes

.004" to .156" Wire Diameter

Outside Diameters

.020 to 2.000 Outside Diameter of Spring


Materials

Special Wire Materials

R.C. Coil Spring maintains a large inventory of raw materials in an assortment of sizes. If we do not have it, it can be ordered and delivered to us overnight or within a two day period. Stock materials include:

  • 302/304 Stainless Steel
  • Music Wire
  • 17-7 Stainless Steel
  • 316 Stainless Steel
  • Tin Music Wire
  • Zinc Music Wire
  • Galvanized Music Wire
  • Phosphor Bronze
  • Beryllium Copper
  • Brass
  • Hard Drawn MB
  • Galvanized Hard Drawn
  • Oil Tempered 1074
  • Chrome Silicon
  • Oil Tempered Chrome Silicon
  • Copper



  • Capabilities

    Finishing

    R.C. Coil Spring maintains great relationships with quality vendors who will perform all your finishing needs.

  • Black Oxide Finish
  • Zinc/Tin Plating
  • Gold Plating
  • Silver Plating
  • Powder Coating
  • Shot Peening
  • Passivating
  • Heat Treating
  • Electro Polishing
  • Tumbling/Deburring
  • Rust Preventative

  • Additional Services

    To insure that the final product is up to our standards, R.C. Coil Spring provides additional in-house services for its customers.

  • Bar Coding
  • CAD Design Capabilities
  • Color Coating
  • Spring End Grinding
  • Stress Relieving
  • Material and Part Certification
  • Packaging on Tacky Boards/Plastic Bags
  • PPAPs/First Articles Provided
  • Kanban
  • Statistical Process Controls


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    R. C. Coil Spring Manufacturing Company, Inc. | 490 Mitchell Rd., Glendale Heights, IL 60139, Ph: 630.790.3500, Fax: 630.790.0113