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Shop Spring Kits
Spring Kit
Developed with research and development engineers, technicians and maintenance specialists in mind. Spring Kits are composed of a selection of different sizes and are available in either Compression or Extension springs in a choice of Music Wire or Stainless Steel. A Stainless Steel Instrument Spring Kit featuring smaller sizes is also available.
Extension Spring Selection Kits
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
SK 301 |
Stainless Steel 302 |
Passivated |
.007 to .075 |
.250 to 5.000 |
.063 to .750 |
.25 to 17.2 |
SK 300 |
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 |
|---|---|---|---|---|---|---|
SK 200 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.016 to .072 |
.250 to 2.000 |
.120 to .720 |
1.50 to 30 |
SK 201 |
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 |
|---|---|---|---|---|---|---|
SK 100 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.006 to .026 |
.125 to 1.250 |
.057 to .360 |
.30 to 6.75 |
Compact Spring Selection Kits-Compression
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
SK 250 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.021 - .055 |
.313 - 2.500 |
.120 - .420 |
3.00 - 24.0 |
SK 251 |
Type 302 Stainless Steel (SS) |
Passivated |
.014 - .051 |
.250 - 1.750 |
.120 - .420 |
1.67 - 24.4 |
Compact Spring Selection Kits-Extension
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
SK 350 |
Music Wire (MW) |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.014 - .058 |
.625 - 2.750 |
.125 - .375 |
1.10 - 20.0 |
SK 351 |
17-7 Stainless Steel (17-7PH) |
Passivated |
.016 - .055 |
.625 - 3.000 |
.125 - .500 |
1.25 - 17.5 |
Torsion Spring Selection Kits
| Part Number | Material | Finish | Wire Range Imperial/Inch | Free Length Imperial/Inch | Outside Diameter Imperial/Inch | Load Capacity Imperial/Inch |
|---|---|---|---|---|---|---|
SK 800 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.020 to .070 |
.095 to 0.890 |
.187 to .843 |
.20 to 7.5 |
SK 801 |
Type 302 Stainless Steel (SS) |
Passivated |
.020 - .070 |
.095 - 0.890 |
.187 - .843 |
.19 - 7.0 |
Why Choose Lee Spring?
Selection
25,000+ products
available, plus custom
products made to your specification.
FREE Passivation for Stainless Steel
302, 316 and 17-7 Stock Springs
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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