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Custom Springs

About Custom Springs banner

Lee Spring offers support for every stage of custom design, manufacturing and distribution:

  • Application/Concurrent Engineering staff
  • Regulatory expertise including RoHS, REACH and DFARS
  • Proof of concept methodologies
  • CAD assisted product design, drawing and modeling
  • In-house prototype production services
  • Factories outfitted to effectively accommodate both short and long production runs
  • In-house tooling production including EDM
  • Extensive experience working with Aerospace/Military Specifications (AS9100), Automotive Specifications (TS16949) and FDA Trial Support (21 CFR Part 820)
  • Proprietary integrated quality control system
  • State of the art computerized spring testing equipment
  • Global supply chain network for both production and distribution
  • Blanket agreement and consignment inventory management capabilities
  • Pull/Kanban capabilities
  • Ongoing Customer/Supplier improvement initiatives
  • ISO 9001 Registered Quality Management System

From Start to Finish, Lee Spring Has the Custom Capabilities You Need!

Compression Springs

  • Outside Diameter: 0.025” – 5.75"/0.64mm – 146.1 mm

  • Wire Diameter: 0.004" – 0.625"/0.10 mm – 15.88 mm

Extension Springs

  • Outside Diameter: 0.025 – 5.75"/0.64 – 146.1 mm
  • Wire Diameter: 0.005" – 0.625"/0.13 mm – 15.88 mm

Torsion Springs

  • Outside Diameter: 0.025 – 5.75"/0.64 – 146.1 mm
  • Wire Diameter: 0.005" – 0.187"/ 0.13 mm – 4.75 mm

Wave Springs

  • Outside Diameter: 0.200" – 5.000"/5.08 mm –127 mm
  • Inside Diameter: 0.150" – 4.54"/3.81 mm – 115.32 mm

Constant Force Springs

  • Min. outside Diameter: 0.340"/8.636 mm
  • Inside Diameter: 0.280" – 1.97"/7.11 mm – 50.04mm
  • Min Length: 11.80"/299.72 mm

Distinct Production Capabilities

  • Plastic Compression Springs
  • Drawbar Springs
  • Cone Springs
  • Double Torsion Springs
  • Extension Springs with Swivel Hooks

Wire Forms

  • Wire Diameters: 0.010" – 0.240"/0.25 mm – 6 mm
  • Maximum Finished Length: 60"/1524 mm
  • Stampings: Strip Width: up to 3"/76.20 mm
  • Strip Thickness: 0.005 to 0.062"/0.13mm – 1.57 mm

Fourslide Parts

  • Strip Width: 0.010" – 0.500"/0.25 mm – 12.70 mm
  • Strip Thickness: 0.003" – 0.125"/ 0.08 mm – 3.18 mm
  • Wire Diameter: 0.005" – 0.187"/0.13 mm – 4.75 mm

Secondary Operations and Finishing

  • Assembly
  • Color Coding
  • Electropolishing
  • Grinding
  • Heat Treating
  • Looping
  • Passivation
  • Powder Coating
  • Shot Peening
  • Spring Setting
  • Plating: Nickel, Zinc, Cadmium
  • Special Finishes (e.g., Black Oxide)

Materials

  • Beryllium Copper
  • Beryllium Copper, Silver Coated
  • Carbon Steel, Hard Drawn
  • Carbon Steel, Oil Tempered
  • Chrome Silicon, Oil Tempered
  • Chrome Vanadium, Oil Tempered
  • Elgiloy®*
  • Hastelloy®** Inconel®† 600, 718 & x750
  • Music Wire
  • Phosphor Bronze
  • Plastic Composites
  • Stainless Steel, 300 Series
  • Stainless Steel, 17-7

Please inquire regarding other materials.

*Elgiloy is a trademark of Elgiloy Ltd. Partnership.
**Hastelloy is a registered trademark of Haynes International Inc.
† Inconel is registered trademark of Special Metals Corporation

Why Choose Lee Spring?

large selection of springs

25,000+ products
available, plus custom
products made to your specification.

 

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

in stock springs

Springs ready to ship
today.

 

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

engineering and customer service support

Engineering and
Customer Service teams ready to
assist.

 

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world