Custom Springs

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