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12538 - 3.13 Inch High Carbon Steel Extension Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Regular extension spring in High Carbon Steel. This spring features an O.D. of 0.812 Inch and an initial tension of 20 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12538
Ends Machine Hook
Finish Zinc
Initial Tension 20 lb
Length 3.13 in
Material High Carbon Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 72 lbs/in
SKU 12538CS
Sugg Max Deflection 0.77 in
Sugg Max Load 76 lbf
Wind Direction Left
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12538
Ends Machine Hook
Finish Zinc
Initial Tension 9.07 kg
Length 79.5 mm
Material High Carbon Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 12.61 N/mm
SKU 12538CS
Sugg Max Deflection 19.56 mm
Sugg Max Load 338.05 N
Wind Direction Left
Wire Diameter 3.18 mm

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