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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

BB-1CS - 0.38 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The BB-1CS is a regular extension spring manufactured by Century Spring. This spring is made from Music Wire and has a natural finish. It has a wire diameter of 0.008 inches, an outer diameter of 0.125 inches, and a free length of 0.38 inches. The BB-1CS has an initial tension of 0.01 Pound and a maximum deflection of 1.8 inches. It can withstand a maximum load of 0.24 Pound Force. This spring features full loop ends. It is a standard extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the BB-1CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku BB-1CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.008 in
F) Outside Diameter 0.125 in
G) Length 0.38 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.13 lbs/in
K) Initial Tension 0.01 lb
L) Sugg Max Deflection 1.8 in
L) Sugg Max Load 0.24 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku BB-1CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.2 mm
F) Outside Diameter 3.18 mm
G) Length 9.65 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.02 N/mm
K) Initial Tension 0 kg
L) Sugg Max Deflection 45.72 mm
L) Sugg Max Load 1.07 N
O) Finish None