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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

S-558CS - 2.25 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-558CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a wire diameter of 0.041 inches. This spring has an outside diameter of 0.312 Inch and a free length of 2.25 inches. It has an initial tension of 1.7 Pound and a maximum deflection of 1.5 inches. The S-558CS has a spring rate of 4 lbs/inch and can withstand a maximum load of 7.6 Pound Force. It features machine hook ends and is wound in a left direction. This extension spring is suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the S-558CS, 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 S-558CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.041 in
F) Outside Diameter 0.312 in
G) Length 2.25 in
H) End Type Machine Hook
I) End Position Random
J) Rate 4 lbs/in
K) Initial Tension 1.7 lb
L) Sugg Max Deflection 1.5 in
L) Sugg Max Load 7.6 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-558CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 1.04 mm
F) Outside Diameter 7.92 mm
G) Length 57.15 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.7 N/mm
K) Initial Tension 0.77 kg
L) Sugg Max Deflection 38.1 mm
L) Sugg Max Load 33.8 N
O) Finish None