Series: Standard Extension Series (metric)
Outside Diameter (cm): 0.351
Outside Diameter (inch): 0.138
Outside Diameter (mm): 3.51
Wire Diameter (cm): 0.048
Wire Diameter (inch): 0.019
Wire Diameter (mm): 0.48
Max Load (gm): 1224.7
Max Load (kg): 1.2247
Max Load (lb): 2.7
Max Load (N): 12.01
Rate (gm/cm): 602
Rate (gm/mm): 60.2
Rate (kg/cm): 0.602
Rate (kg/mm): 0.0602
Rate (lb/inch): 3.37
Rate (N/cm): 5.9
Rate (N/mm): 0.59
Max Extended Length(cm): 4.181
Max Extended Length(inch): 1.646
Max Extended Length(mm): 41.81
Initial Tension (gm): 180.5
Initial Tension (kg): 0.1805
Initial Tension (lb): 0.398
Initial Tension (N): 1.77
Free Length (cm): 2.451
Free Length (inch): 0.965
Free Length (mm): 24.51
Material: Music Wire
Loop Inside Diameter(cm): 0.249
Loop Inside Diameter(in): 0.098
Loop Inside Diameter(mm): 2.49
Loop Position: Inline
Direction of Wind: Factory Option
Body Length (cm): 2.083
Body Length (in): 0.82
Body Length (mm): 20.83
Total Coils: 40
Finish: Zinc Plate and Bake per ASTM B633
Download Spec Sheet
Compare Spring
0.019
0.82
Inline
0.138
0.006
0.965
0.02
40
0.398
0.08
3.37
0.337
1.646
2.7