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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

B3-18CS - 1.13 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The B3-18CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and has a natural finish. This spring has a wire diameter of 0.023 inches, an outside diameter of 0.156 inches, and a free length of 1.13 inches. With an initial tension of 0.6 Pound, the B3-18CS offers a maximum deflection of 0.87 Inch and can withstand a maximum load of 4.2 Pound Force. It features machine hooks on both ends for easy installation. The B3-18CS is a reliable and durable extension spring suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of quick turnaround times, which is why we strive to deliver our products promptly. Additionally, all our springs, including the B3-18CS, are proudly made in the United States. By manufacturing locally, we ensure the highest quality standards and support the growth of domestic industries. With Century Spring, you can trust that you will receive top-notch products efficiently to meet your project requirements.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B3-18CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.023 in
F) Outside Diameter 0.156 in
G) Length 1.13 in
H) End Type Machine Hook
I) End Position Random
J) Rate 4.1 lbs/in
K) Initial Tension 0.6 lb
L) Sugg Max Deflection 0.87 in
L) Sugg Max Load 4.2 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B3-18CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.58 mm
F) Outside Diameter 3.96 mm
G) Length 28.7 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.72 N/mm
K) Initial Tension 0.27 kg
L) Sugg Max Deflection 22.1 mm
L) Sugg Max Load 18.68 N
O) Finish None