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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

B1-59CS - 2.25 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The B1-59CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a natural finish. This spring has a wire diameter of 0.046 inches, an outside diameter of 0.5 inches, and a free length of 2.25 inches. It has an initial tension of 0.9 Pound and a maximum deflection of 2.7 inches. The B1-59CS has a spring rate of 2.2 lbs/inch and a maximum load of 6.8 Pound Force. It features full loop ends, providing secure attachment. The B1-59CS is a reliable extension spring suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of quick turnaround times for our customers' projects. That's why we offer efficient shipping services to ensure prompt delivery of our products, including the B1-59CS. Additionally, we maintain a substantial stock inventory, so you can count on us to have the springs you need readily available. As an American company, we take pride in manufacturing our springs in the United States, ensuring high-quality standards and supporting local industries. Trust Century Spring for fast shipping, ample stock, and dependable American-made springs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B1-59CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.046 in
F) Outside Diameter 0.5 in
G) Length 2.25 in
H) End Type Full Loop
I) End Position Random
J) Rate 2.2 lbs/in
K) Initial Tension 0.9 lb
L) Sugg Max Deflection 2.7 in
L) Sugg Max Load 6.8 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B1-59CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.17 mm
F) Outside Diameter 12.7 mm
G) Length 57.15 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.39 N/mm
K) Initial Tension 0.41 kg
L) Sugg Max Deflection 68.58 mm
L) Sugg Max Load 30.25 N
O) Finish None