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Shop Spring Kits
Spring Kits & Assortments — In Stock for Prototyping & MRO
Lee Spring's in-stock spring kits provide engineers, maintenance teams, and R&D labs with convenient assortments of compression springs, extension springs, and torsion springs in a single package. Spring kits are ideal for prototyping, testing, MRO (maintenance, repair, and operations), and educational use eliminating the need to source individual springs when evaluating multiple specifications. Each kit includes a variety of sizes and configurations.
Extension Spring Selection Kits
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
KIT #301 SS |
Stainless Steel 302 |
Passivated |
.007 to .075 |
.250 to 5.000 |
.063 to .750 |
.25 to 17.2 |
KIT #300 MW |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.007 to .075 |
.250 to 5.000 |
.063 to .750 |
.32 to 20.0 |
Compression Spring Selection Kits
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
KIT #200 MW |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.016 to .072 |
.250 to 2.000 |
.120 to .720 |
1.50 to 30 |
KIT #201 SS |
Stainless Steel 302 |
Passivated |
.016 to .072 |
.250 to 2.000 |
.120 to .720 |
1.25 to 25 |
Instrument Spring Selection Kit
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
KIT #100 MW |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.006 to .026 |
.125 to 1.250 |
.057 to .360 |
.30 to 6.75 |
Why Choose Lee Spring?
Selection
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 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
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
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