About Us Custom Springs

LEE SPRING CUSTOM PARTS

You know what you want. How do you make it happen? That’s where Lee Spring comes in. Since 1918, Lee Spring has been manufacturing custom springs, wire forms, stampings and four-slide parts for just about any application you can imagine. Not sure what you need? Our experienced engineering team will work with you from conception to completion. The result? A world-class custom product you can count on every time. With your ideas and our expertise, the possibilities are endless!

Custom Capabilities Overview

  • Experienced application engineers
  • Regulatory expertise including RoHS and REACH
  • CAD assisted product design, drawing and modelling
  • In-house prototype production services
  • Factories equipped to accommodate both short and long production runs
  • In-house tooling production including EDM
  • ISO 9001 Registered Quality Management System
  • Extensive experience working to Aerospace,Military and Automotive specifications
  • Proprietary integrated quality control system
  • State of the art computerized spring testing equipment
  • Global supply chain network for production and distribution
  • Pull/Kanban capabilities
  • Ongoing Customer/Supplier improvement initiatives

Compression Springs:

Outside Diameter:0.64 – 146.1 mm/ 0.025 – 5.75"
Wire Diameter: 0.10 mm – 15.88 mm/0.004" – 0.625"

Download Compression Quote Form

Extension Springs:

Outside Diameter: 0.64 – 146.1 mm/0.025 – 5.75"
Wire Diameter: 0.10 mm – 15.88 mm/ 0.004" – 0.625"

Download Extension Quote Form

Torsion Springs:

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

Download Torsion Quote Form

Wave Springs:

Outside Diameter: 5.08 mm – 203.2 mm/ 0.200" – 8.000"
Inside Diameter: 3.81 mm – 115.32 mm/0.150" – 4.54"

Download Wave Quote Form

Constant Force Springs:

Minimum outside Diameter: 8.636 mm - 0.340"
Inside Diameter: 7.11 mm – 50.04mm/ 0.280" – 1.97"
Minimum Length: 299.72 mm/11.80"

Download Constant Force Quote Form

Distinct Wire Spring Production Capabilities:

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

Other Production Capabilities

Wire Forms:

  • Wire Diameters: 0.010" – 0.24" /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

Four-slide 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:

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

Materials:

  • Beryllium Copper
  • Silver Coated Beryllium Copper
  • Hard Drawn Carbon Steel
  • Oil Tempered Carbon Steel
  • Oil Tempered Chrome Silicon
  • Oil Tempered Chrome Vanadium
  • 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

Lee Spring Part PDF

https://www.leespring.in/sites/leespring/files/part_number_pdf/GuideLeeSpringPartNumbers2012_0.pdf