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Rectangular Springs

Rectangular Spring Manufacturing
Rectangular Spring Manufacturing
Manufacturing of Rectangular Springs
Manufacturing of Rectangular Springs
Custom Manufacturing of Rectangular Springs
Custom Manufacturing of Rectangular Springs
Rectangular Springs
Rectangular Springs
Industrial Rectangular Springs
Industrial Rectangular Springs
Precision Rectangular Springs Manufacturing
Precision Rectangular Springs Manufacturing

A Rectangular Spring is a compression spring that is formed in an oval shape as opposed to a cylindrical shape as most compression springs are.

  • Manufactured to tight tolerances and stringent quality control standards
  • Specializing in fine diameter, non-standard cross section, and specialty material wire
  • Formed over rectangular mandrel for special applications

Rectangular Springs Capabilities


Wire Sizes
.005" to .062" Wire Diameter
Outside Diameters
.020" to 2.000" Outside Diameter of Spring
Special Wire Cross Sections
  • Round
Spring Shapes
  • Oval
  • Rectangular
  • Square


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


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