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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

B6-55CS - 4.75 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The B6-55CS is a regular extension spring manufactured by Century Spring. This spring is made from 302/304 stainless steel and has a wire diameter of 0.064 inches. It has an outside diameter of 0.5 Inch and a free length of 4.75 inches. The B6-55CS has an initial tension of 3 Pound and a maximum deflection of 3.5 inches. It has a spring rate of 3.9 lbs/inch and a maximum load of 17 Pound Force. The ends of this spring are machine hooks. It is a reliable and durable extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive inventory. We understand the importance of timely delivery, and our team works diligently to ensure that your orders are processed and shipped as quickly as possible. Additionally, our significant stock inventory allows us to fulfill your spring needs promptly. We are committed to providing high-quality springs that are made in the United States. 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 B6-55CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.064 in
F) Outside Diameter 0.5 in
G) Length 4.75 in
H) End Type Machine Hook
I) End Position Random
J) Rate 3.9 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 3.5 in
L) Sugg Max Load 17 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B6-55CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 1.63 mm
F) Outside Diameter 12.7 mm
G) Length 120.65 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.68 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 88.9 mm
L) Sugg Max Load 75.62 N
O) Finish None