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634 - 12 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 1.188 Inch and an initial tension of 12 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 634
Ends Machine Hook
Finish Zinc
Initial Tension 12 lb
Length 12 in
Material High Carbon Steel
Outside Diameter 1.188 in
Part Type Standard
Rate 5.3 lbs/in
SKU 634CS
Sugg Max Deflection 9.2 in
Sugg Max Load 61 lbf
Wind Direction Left
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 634
Ends Machine Hook
Finish Zinc
Initial Tension 5.44 kg
Length 304.8 mm
Material High Carbon Steel
Outside Diameter 30.18 mm
Part Type Standard
Rate 0.93 N/mm
SKU 634CS
Sugg Max Deflection 233.68 mm
Sugg Max Load 271.33 N
Wind Direction Left
Wire Diameter 3.43 mm

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