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Shop Spring Kits

Spring Kit

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

Slider Finger
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

Slider Finger
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

Slider Finger
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

Slider Finger
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

Slider Finger
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

Slider Finger
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?

FREE Passivation for Stainless Steel

302, 316, 17-7 Stock Springs

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

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

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