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Century Spring

129CS - 8.5 Inch High Carbon Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in High Carbon Steel. This spring features an O.D. of 0.625 Inch and an initial tension of 9 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 129
Ends Machine Hook
Finish Zinc
Initial Tension 9 lb
Length 8.5 in
Material High Carbon Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 7.7 lbs/in
SKU 129CS
Sugg Max Deflection 3.8 in
Sugg Max Load 39 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 129
Ends Machine Hook
Finish Zinc
Initial Tension 4.08 kg
Length 215.9 mm
Material High Carbon Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 1.35 N/mm
SKU 129CS
Sugg Max Deflection 96.52 mm
Sugg Max Load 173.47 N
Wind Direction Left
Wire Diameter 2.31 mm

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