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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

B6-12CS - 0.91 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The B6-12CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire with a durable finish. This spring has a wire diameter of 0.013 Inch and an outside diameter of 0.281 inches. It has a free length of 0.91 Inch and an initial tension of 0.02 Pound. With a maximum deflection of 9.1 Inch and a maximum load of 0.45 Pound Force, this spring is designed to provide reliable performance. The B6-12CS features full loop ends, ensuring secure attachment. It is a standard extension spring commonly used in various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we prioritize efficient shipping methods. Additionally, we maintain a significant stock of springs, including the B6-12CS, to ensure that our customers have access to the parts they need when they need them. As a company based in the United States, we are dedicated to manufacturing high-quality springs that meet industry standards. With Century Spring, you can trust that you will receive top-notch products and exceptional service.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B6-12CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.013 in
F) Outside Diameter 0.281 in
G) Length 0.91 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.05 lbs/in
K) Initial Tension 0.02 lb
L) Sugg Max Deflection 9.1 in
L) Sugg Max Load 0.45 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B6-12CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.33 mm
F) Outside Diameter 7.14 mm
G) Length 23.11 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.01 N/mm
K) Initial Tension 0.01 kg
L) Sugg Max Deflection 231.14 mm
L) Sugg Max Load 2 N
O) Finish None