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B1-42CS - 1.81 Inch Spring Steel Extension Springs

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Estimated Lead Time

The B1-42CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a natural finish. It has a wire diameter of 0.0625 inches, an outer diameter of 0.5 inches, and a free length of 1.81 inches. The B1-42CS has an initial tension of 3 Pound and a maximum deflection of 0.87 inches. It has a spring rate of 16 lbs/inch and a maximum load of 17 Pound Force. The ends of this spring are full loops, providing secure attachment points. The B1-42CS is a reliable extension spring suitable for a variety of applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We are proud to manufacture our springs in the United States, ensuring high-quality products for our customers. With our efficient shipping process and ample supply, we strive to provide prompt delivery of springs like the B1-42CS to meet all your project needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 3.6 lb
Length 1.81 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 16 lbs/in
SKU B1-42CS
Sugg Max Deflection 0.87 in
Sugg Max Load 17 lbf
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 1.63 kg
Length 45.97 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 2.8 N/mm
SKU B1-42CS
Sugg Max Deflection 22.1 mm
Sugg Max Load 75.62 N
Wire Diameter 1.59 mm