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B5-59CS - 4.25 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The B5-59CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a machine hook at both ends. It has a free length of 4.25 inches and an initial tension of 2 pounds. The B5-59CS has an outside diameter of 0.64 inches and a wire diameter of 0.0625 inches. It has a maximum deflection of 5.4 inches and a maximum load capacity of 12 pound force. With its standard measurement units and left wind direction, the B5-59CS is a reliable extension spring suitable for a variety of applications.

Century Spring takes pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and ensure that customers receive their springs promptly. All our products, including the B5-59CS, are proudly made in the United States. With our commitment to quality and efficiency, Century Spring is the trusted choice for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 2 lb
Length 4.25 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 1.9 lbs/in
SKU B5-59CS
Sugg Max Deflection 5.4 in
Sugg Max Load 12 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.91 kg
Length 107.95 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 0.33 N/mm
SKU B5-59CS
Sugg Max Deflection 137.16 mm
Sugg Max Load 53.38 N
Wind Direction Left
Wire Diameter 1.59 mm