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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

B6-11CS - 3.03 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The B6-11CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and has a gold iridite finish. This spring has a free length of 3.03 inches and an initial tension of 3 pounds. Made from spring steel, it offers a maximum deflection of 1 inch and can withstand a maximum load of 11 pound force. With an outside diameter of 0.234 inches and a wire diameter of 0.041 inches, the B6-11CS has a spring rate of 8.3 lbs/inch. This standard extension spring is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of receiving your springs promptly, which is why we strive to deliver them quickly. We also maintain a significant stock of our products, including the B6-11CS, ensuring that we have the springs you need readily available. As an American company, all of our springs are proudly made in the United States. With Century Spring, you can trust in our reliable shipping and quality manufacturing to meet your spring needs efficiently.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B6-11CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.041 in
F) Outside Diameter 0.234 in
G) Length 3.03 in
H) End Type Machine Hook
I) End Position Random
J) Rate 8.3 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 1 in
L) Sugg Max Load 11 lbf
O) Finish Gold Iridite
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B6-11CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.04 mm
F) Outside Diameter 5.94 mm
G) Length 76.96 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 1.45 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 25.4 mm
L) Sugg Max Load 48.93 N
O) Finish Gold Iridite