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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 Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 301 |
Stainless Steel 302 |
Passivated |
.18 to 1.91 |
6.35 to 127 |
1.57 to 19.05 |
1.11 to 76.51 |
SK 300 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.18 to 1.91 |
6.35 to 127 |
1.57 to 19.05 |
1.42 to 88.96 |
Compression Spring Selection Kits
| Part Number | Material | Finish | Wire Range Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 200 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.41 to 1.83 |
6.35 to 50.8 |
3.18 to 19.05 |
6.67 to 133.45 |
SK 201 |
Stainless Steel 302 |
Passivated |
.41 to 1.83 |
6.35 to 50.8 |
3.18 to 19.05 |
5.56 to 111.21 |
Instrument Spring Selection Kit
| Part Number | Material | Finish | Wire Range Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 100 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.15 to .66 |
3.18 to 31.75 |
1.45 to 9.14 |
1.33 to 3.03 |
Compact Spring Selection Kits-Compression
| Part Number | Material | Finish | Wire Range Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 250 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.53 - 1.40 |
7.95 - 63.50 |
3.05 - 10.67 |
13.34 - 106.76 |
SK 251 |
302/304 Stainless Steel |
Passivated |
.36 - 1.30 |
6.35 - 44.45 |
3.05 - 10.67 |
7.43 - 108.54 |
Compact Spring Selection Kits-Extension
| Part Number | Material | Finish | Wire Range Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 350 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.36 - 1.47 |
15.88 - 69.85 |
3.18 - 9.53 |
4.89 - 88.96 |
SK 351 |
302/304 Stainless Steel |
Passivated |
.41 - 1.40 |
15.88 - 76.20 |
3.18 - 12.70 |
5.56 - 77.84 |
Torsion Spring Selection Kits
| Part Number | Material | Finish | Wire Range Metric/mm | Free Length Metric/mm | Outside Diameter Metric/mm | Load Capacity Metric/mm |
|---|---|---|---|---|---|---|
SK 800 |
Music Wire |
Zinc Plated (or Pre-Coated Tin/Zinc) |
.51 - 1.78 |
2.41 - 22.61 |
4.75 - 21.41 |
0.89 - 33.36 |
SK 801 |
302/304 Stainless Steel |
Passivated |
.51 - 1.78 |
2.41 - 22.61 |
4.75 - 21.41 |
0.85 - 31.14 |
Why Choose Lee Spring?
Selection
25,000+ products
available, plus custom
products made to your specification.
FREE Standard Delivery
available within the UK
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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