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Selection
Extension Springs are organized in order of increasing diameter and wire size. Note that in each category the spring rate decreases as the length increases.
Unit of Measure

Specifications

Type

Extension

Material

Stainless Steel

Outside Diameter

0.36

Wire Diameter

0.045

Free Length

1.750

Max. Load

10.1

Max. Extension

2.99

Initial Tension

1.1

Spring Rate

7.30

Max. Load (SS)

8.700

Max. Extension (SS)

2.97

Initial Tension (SS)

0.9

Spring Rate (SS)

6.3