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Century Spring

618CS - 12 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 1.25 Inch and an initial tension of 23 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 618
Ends Double Loop
Finish Zinc
Initial Tension 23 lb
Length 12 in
Material High Carbon Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 12 lbs/in
SKU 618CS
Sugg Max Deflection 6.2 in
Sugg Max Load 100 lbf
Wind Direction Left
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 618
Ends Double Loop
Finish Zinc
Initial Tension 10.43 kg
Length 304.8 mm
Material High Carbon Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 2.1 N/mm
SKU 618CS
Sugg Max Deflection 157.48 mm
Sugg Max Load 444.8 N
Wind Direction Left
Wire Diameter 4.11 mm

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