Extension Springs

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Custom Extension Spring Manufacturer

Gilco Spring designs and manufactures custom extension springs for applications requiring resistance to pulling forces and reliable tension performance.

Our extension springs are manufactured to precise specifications using advanced CNC equipment and rigorous quality controls. Whether your project requires initial tension, specialized hook configurations, or demanding fatigue performance, our team has the experience and manufacturing capability to deliver dependable results.

Extension Spring Capabilities

  • Wire diameters from .007″ to .400″ 
  • Custom hook and end configurations 
  • Prototype through production volumes 
  • Tight tolerance manufacturing 
  • In-house tooling support 
  • ISO 9001:2015 certified processes

Industries Served

We supply extension springs to customers in:

  • Automotive
  • Building products
  • Lawn & garden equipment
  • Furniture
  • HVAC
  • Electrical equipment
  • Recreation products
  • Industrial machinery 

Complete Manufacturing Support

Gilco Spring provides more than just spring production. Our in-house processing capabilities help reduce lead times and maintain quality throughout production.

Services include:

  • Heat treating
  • Shot peening
  • Stress relieving
  • Vibratory tumbling
  • Corrosion-resistant applications
  • Warehousing and inventory management programs

Request a quote for your custom extension spring application today.