Custom Springs, Wire Forms, & Fourslide Parts

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 run
• 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"/0.64 - 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" - 8.000"/5.08 mm - 203.2 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" - 0.24" /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
• 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.