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

N/A Extension

Material

N/A Music Wire

Outside Diameter

N/A 0.094

Wire Diameter

N/A 0.011

Free Length

N/A 0.375

Max. Load

N/A 0.53

Max. Extension

N/A 0.73

Initial Tension

N/A 0.05

Spring Rate

N/A 1.84

Max. Load (SS)

N/A 0.440

Max. Extension (SS)

N/A 0.71

Initial Tension (SS)

N/A 0.04

Spring Rate (SS)

N/A 1.6