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

1

Wire Diameter

0.125

Free Length

6.000

Max. Load

66

Max. Extension

9.85

Initial Tension

8.4

Spring Rate

15.00

Max. Load (SS)

56.900

Max. Extension (SS)

9.81

Initial Tension (SS)

7.3

Spring Rate (SS)

13