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
0.063" (OD), 0.38" Free Length, Helical Extension Spring
0.063" (OD), 0.5" Free Length, Helical Extension Spring
0.094" (OD), 0.38" Free Length, Helical Extension Spring
0.094" (OD), 0.44" Free Length, Helical Extension Spring
0.094" (OD), 0.5" Free Length, Helical Extension Spring
0.094" (OD), 0.75" Free Length, Helical Extension Spring
0.12" (OD), 0.5" Free Length, Helical Extension Spring
0.12" (OD), 0.75" Free Length, Helical Extension Spring
0.12" (OD), 0.88" Free Length, Helical Extension Spring
0.12" (OD), 1" Free Length, Helical Extension Spring
0.12" (OD), 1.25" Free Length, Helical Extension Spring
0.12" (OD), 1.37" Free Length, Helical Extension Spring
0.18" (OD), 0.62" Free Length, Helical Extension Spring
0.18" (OD), 0.75" Free Length, Helical Extension Spring
0.18" (OD), 1.25" Free Length, Helical Extension Spring
0.24" (OD), 0.75" Free Length, Helical Extension Spring
0.24" (OD), 1" Free Length, Helical Extension Spring
0.24" (OD), 1.12" Free Length, Helical Extension Spring
0.24" (OD), 1.25" Free Length, Helical Extension Spring
0.24" (OD), 1.5" Free Length, Helical Extension Spring
0.36" (OD), 1" Free Length, Helical Extension Spring
0.36" (OD), 1.25" Free Length, Helical Extension Spring
0.36" (OD), 1.5" Free Length, Helical Extension Spring
0.36" (OD), 2" Free Length, Helical Extension Spring
0.5" (OD), 1.25" Free Length, Helical Extension Spring
0.5" (OD), 2" Free Length, Helical Extension Spring
0.5" (OD), 2.5" Free Length, Helical Extension Spring
0.65" (OD), 3" Free Length, Helical Extension Spring
0.75" (OD), 4" Free Length, Helical Extension Spring
0.85" (OD), 2.5" Free Length, Helical Extension Spring
1" (OD), 5" Free Length, Helical Extension Spring
12.5mm Outside diameter, 30mm Free Length Helical Extension Spring
12.5mm Outside diameter, 35mm Free Length Helical Extension Spring
12.5mm Outside diameter, 40mm Free Length Helical Extension Spring
12.5mm Outside diameter, 45mm Free Length Helical Extension Spring
12.5mm Outside diameter, 50mm Free Length Helical Extension Spring
12.5mm Outside diameter, 55mm Free Length Helical Extension Spring
12.5mm Outside diameter, 60mm Free Length Helical Extension Spring
19mm Outside diameter, 100mm Free Length Helical Extension Spring
19mm Outside diameter, 130mm Free Length Helical Extension Spring
19mm Outside diameter, 50mm Free Length Helical Extension Spring
19mm Outside diameter, 60mm Free Length Helical Extension Spring
19mm Outside diameter, 70mm Free Length Helical Extension Spring
19mm Outside diameter, 80mm Free Length Helical Extension Spring
19mm Outside diameter, 90mm Free Length Helical Extension Spring
2.5mm Outside diameter, 12.5mm Free Length Helical Extension Spring
2.5mm Outside diameter, 15.5mm Free Length Helical Extension Spring
2.5mm Outside diameter, 9.5mm Free Length Helical Extension Spring
3mm Outside diameter, 17mm Free Length Helical Extension Spring
3mm Outside diameter, 21mm Free Length Helical Extension Spring
3mm Outside diameter, 25mm Free Length Helical Extension Spring
3mm Outside diameter, 30mm Free Length Helical Extension Spring
3mm Outside diameter, 35mm Free Length Helical Extension Spring
4.5mm Outside diameter, 17mm Free Length Helical Extension Spring
4.5mm Outside diameter, 21mm Free Length Helical Extension Spring
4.5mm Outside diameter, 25mm Free Length Helical Extension Spring
4.5mm Outside diameter, 30mm Free Length Helical Extension Spring
4.5mm Outside diameter, 35mm Free Length Helical Extension Spring
6.3mm Outside diameter, 19mm Free Length Helical Extension Spring
6.3mm Outside diameter, 22mm Free Length Helical Extension Spring
6.3mm Outside diameter, 25mm Free Length Helical Extension Spring
6.3mm Outside diameter, 30mm Free Length Helical Extension Spring
6.3mm Outside diameter, 35mm Free Length Helical Extension Spring
8mm Outside diameter, 25mm Free Length Helical Extension Spring
8mm Outside diameter, 30mm Free Length Helical Extension Spring
8mm Outside diameter, 35mm Free Length Helical Extension Spring
8mm Outside diameter, 40mm Free Length Helical Extension Spring
9.5mm Outside diameter, 25mm Free Length Helical Extension Spring
9.5mm Outside diameter, 30mm Free Length Helical Extension Spring
9.5mm Outside diameter, 35mm Free Length Helical Extension Spring
9.5mm Outside diameter, 40mm Free Length Helical Extension Spring
9.5mm Outside diameter, 45mm Free Length Helical Extension Spring