Custom Designed Extension Springs

Should your unique plans call for a custom designed extension spring, Hardware Products can work out a solution with you that will meet all your needs. Just contact us. We will enter your parameters into our official Spring Manufacturer’s Institute spring design program and then send you a print out for your approval.

Access To Our Creativity Is Simple

One of the attributes that has made Hardware Products a success for nearly 150 years, is our dedication to one-on-one communication with our customers.

The spring specialists at Hardware Products can assist you in the design of all your unique springs. We will focus on your application and enter your parameters into our official Spring Manufacturer’s Institute spring design program. Our precision recommendation will be sent to you for final adjustments and approval.

If you have an idea, or if you have an unusual spring application, just contact us. With years of experience and computer- aided design capabilities, we can get your design perfected and produced in record time. Designs Verified by Spring Mfg. Institute (SMI) Software

Benefits and Choices From Hardware Products

  • Fast Turn Around
  • Initial Tension To Order
  • Regular Machine Hooks or Loops
  • Crossover Hooks or Loops
  • Extended Hooks
  • Swivel Hooks
  • Plug Ends
  • Military Standards
  • Industrial Machinery
  • Plating Available

We make spring buying easy and
we specialize in rapid turn around
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Yeah we’ve got that..Four
thousand compression springs
in stock
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Extension Springs Specifications

Free Length: 1 coil and up
Diameter: 3/32″ to 18″
Wire Diameter: 005″ to 2.00″
Wire Diameter: .012” to .250”
Direction of Helix: LH or RH
End Configuration: Machine Hooks, Crossover Hooks, Half Hooks, Extended Hooks
Materials: Over 35 alloys, including: Music Wire, Oil Tempered Wire, Stainless Steel, Chrome Silicon, Chrome Vanadium, Elgiloy®, Hastelloy®, Inconel®, Monel®, Red Metals.