Stock Drive Products & Sterling Instrument - SDP/SI Datasheets for Extension Springs

Helically wound to oppose resistant forces, extension springs have consistent mechanical energy to return to its no-load, compressed position. The ends of the spring are attached to components intended to move apart, with the extension spring providing a reliable return force.


Extension Springs: Learn more

Product Name Notes
0.063" (OD), 0.25" Free Length, Helical Extension Spring -- S78ESY-006008025
0.063" (OD), 0.38" Free Length, Helical Extension Spring -- S78ESY-006008038
0.063" (OD), 0.5" Free Length, Helical Extension Spring -- S78ESY-006008050
0.094" (OD), 0.38" Free Length, Helical Extension Spring -- S78ESY-009010038
0.094" (OD), 0.38" Free Length, Helical Extension Spring -- S78ESY-009013038
0.094" (OD), 0.44" Free Length, Helical Extension Spring -- S78ESY-009012044
0.094" (OD), 0.44" Free Length, Helical Extension Spring -- S78ESY-009013044
0.094" (OD), 0.5" Free Length, Helical Extension Spring -- S78ESY-009012050
0.094" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-009010075
0.12" (OD), 0.5" Free Length, Helical Extension Spring -- S78ESY-012020050
0.12" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-012016075
0.12" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-012020075
0.12" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-018022075
0.12" (OD), 0.88" Free Length, Helical Extension Spring -- S78ESY-012018088
0.12" (OD), 0.88" Free Length, Helical Extension Spring -- S78ESY-018022088
0.12" (OD), 1" Free Length, Helical Extension Spring -- S78ESY-012018100
0.12" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-012016125
0.12" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-012020125
0.12" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-018022125
0.12" (OD), 1.37" Free Length, Helical Extension Spring -- S78ESY-012016137
0.18" (OD), 0.62" Free Length, Helical Extension Spring -- S78ESY-018031062
0.18" (OD), 0.62" Free Length, Helical Extension Spring -- S78ESY-018034062
0.18" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-018026075
0.18" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-018031075
0.18" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-018026125
0.18" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-018031125
0.24" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-024026075
0.24" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-024029075
0.24" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-024031075
0.24" (OD), 0.75" Free Length, Helical Extension Spring -- S78ESY-024034075
0.24" (OD), 1" Free Length, Helical Extension Spring -- S78ESY-024026100
0.24" (OD), 1.12" Free Length, Helical Extension Spring -- S78ESY-024026112
0.24" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-024026125
0.24" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-024029125
0.24" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-024031125
0.24" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-024034125
0.24" (OD), 1.5" Free Length, Helical Extension Spring -- S78ESY-024031150
0.36" (OD), 1" Free Length, Helical Extension Spring -- S78ESY-036031100
0.36" (OD), 1" Free Length, Helical Extension Spring -- S78ESY-036037100
0.36" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-036045125
0.36" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-036055125
0.36" (OD), 1.5" Free Length, Helical Extension Spring -- S78ESY-036031150
0.36" (OD), 1.5" Free Length, Helical Extension Spring -- S78ESY-036037150
0.36" (OD), 2" Free Length, Helical Extension Spring -- S78ESY-036045200
0.36" (OD), 2" Free Length, Helical Extension Spring -- S78ESY-036055200
0.5" (OD), 1.25" Free Length, Helical Extension Spring -- S78ESY-050037125
0.5" (OD), 2" Free Length, Helical Extension Spring -- S78ESY-050037200
0.5" (OD), 2.5" Free Length, Helical Extension Spring -- S78ESY-050055250
0.65" (OD), 3" Free Length, Helical Extension Spring -- S78ESY-065055300
0.75" (OD), 4" Free Length, Helical Extension Spring -- S78ESY-075063400
0.85" (OD), 2.5" Free Length, Helical Extension Spring -- S78ESY-085075250
1" (OD), 5" Free Length, Helical Extension Spring -- S78ESY-100075500
12.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM125120030
12.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM125160030
12.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM125160035
12.5mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM125120040
12.5mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM125160040
12.5mm Outside diameter, 45mm Free Length Helical Extension Spring -- S78ESYM125160045
12.5mm Outside diameter, 50mm Free Length Helical Extension Spring -- S78ESYM125120050
12.5mm Outside diameter, 50mm Free Length Helical Extension Spring -- S78ESYM125160050
12.5mm Outside diameter, 55mm Free Length Helical Extension Spring -- S78ESYM125160055
12.5mm Outside diameter, 60mm Free Length Helical Extension Spring -- S78ESYM125120060
19mm Outside diameter, 100mm Free Length Helical Extension Spring -- S78ESYM190160100
19mm Outside diameter, 130mm Free Length Helical Extension Spring -- S78ESYM190160130
19mm Outside diameter, 50mm Free Length Helical Extension Spring -- S78ESYM190160050
19mm Outside diameter, 60mm Free Length Helical Extension Spring -- S78ESYM190160060
19mm Outside diameter, 70mm Free Length Helical Extension Spring -- S78ESYM190160070
19mm Outside diameter, 80mm Free Length Helical Extension Spring -- S78ESYM190160080
19mm Outside diameter, 90mm Free Length Helical Extension Spring -- S78ESYM190160090
2.5mm Outside diameter, 12.5mm Free Length Helical Extension Spring -- S78ESYM025025012
2.5mm Outside diameter, 15.5mm Free Length Helical Extension Spring -- S78ESYM025025015
2.5mm Outside diameter, 9.5mm Free Length Helical Extension Spring -- S78ESYM025025009
3mm Outside diameter, 17mm Free Length Helical Extension Spring -- S78ESYM030035017
3mm Outside diameter, 21mm Free Length Helical Extension Spring -- S78ESYM030035021
3mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM030035025
3mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM030035030
3mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM030035035
4.5mm Outside diameter, 17mm Free Length Helical Extension Spring -- S78ESYM045045017
4.5mm Outside diameter, 17mm Free Length Helical Extension Spring -- S78ESYM045060017
4.5mm Outside diameter, 21mm Free Length Helical Extension Spring -- S78ESYM045045021
4.5mm Outside diameter, 21mm Free Length Helical Extension Spring -- S78ESYM045060021
4.5mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM045045025
4.5mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM045060025
4.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM045045030
4.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM045060030
4.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM045045035
4.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM045060035
6.3mm Outside diameter, 19mm Free Length Helical Extension Spring -- S78ESYM063055019
6.3mm Outside diameter, 19mm Free Length Helical Extension Spring -- S78ESYM063075019
6.3mm Outside diameter, 19mm Free Length Helical Extension Spring -- S78ESYM063080019
6.3mm Outside diameter, 22mm Free Length Helical Extension Spring -- S78ESYM063055022
6.3mm Outside diameter, 22mm Free Length Helical Extension Spring -- S78ESYM063075022
6.3mm Outside diameter, 22mm Free Length Helical Extension Spring -- S78ESYM063080022
6.3mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM063055025
6.3mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM063075025
6.3mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM063080025
6.3mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM063055030
6.3mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM063075030
6.3mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM063080030
6.3mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM063055035
6.3mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM063075035
6.3mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM063080035
8mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM080075025
8mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM080075030
8mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM080075035
8mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM080075040
9.5mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM095095025
9.5mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM095120025
9.5mm Outside diameter, 25mm Free Length Helical Extension Spring -- S78ESYM095150025
9.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM095095030
9.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM095120030
9.5mm Outside diameter, 30mm Free Length Helical Extension Spring -- S78ESYM095150030
9.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM095095035
9.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM095120035
9.5mm Outside diameter, 35mm Free Length Helical Extension Spring -- S78ESYM095150035
9.5mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM095095040
9.5mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM095120040
9.5mm Outside diameter, 40mm Free Length Helical Extension Spring -- S78ESYM095150040
9.5mm Outside diameter, 45mm Free Length Helical Extension Spring -- S78ESYM095150045
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