This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

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

B5-58CS - 4.47 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The B5-58CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a machine hook on both ends. This spring has a free length of 4.47 inches and an initial tension of 4 pounds. With an outside diameter of 1 inch and a wire diameter of 0.096 inches, it has a maximum deflection of 5 inches and a maximum load of 25 pounds force. The B5-58CS has a spring rate of 4.2 lbs/inch and is wound in a left direction. Century Spring takes pride in offering high-quality springs made in the United States.

Century Spring understands the importance of fast shipping and maintaining a significant stock inventory. We strive to ensure that our customers, like you, receive their springs promptly and efficiently. With our extensive inventory, you can trust that the B5-58CS, along with our other springs, will be readily available for your projects. Rest assured that when you choose Century Spring, you are choosing quality, reliability, and American-made products.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B5-58CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.096 in
F) Outside Diameter 1 in
G) Length 4.47 in
H) End Type Machine Hook
I) End Position Random
J) Rate 4.2 lbs/in
K) Initial Tension 4 lb
L) Sugg Max Deflection 5 in
L) Sugg Max Load 25 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B5-58CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 2.44 mm
F) Outside Diameter 25.4 mm
G) Length 113.54 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.74 N/mm
K) Initial Tension 1.81 kg
L) Sugg Max Deflection 127 mm
L) Sugg Max Load 111.2 N
O) Finish None