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233CS - 5.50 Inch High Carbon Steel Extension Springs

The 233CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.0625 inches, an outside diameter of 0.5 inches, and a free length of 5.5 Inches. It has an initial tension of 3 Pound and a maximum deflection of 4 Inches. The 233CS has a spring rate of 3.3 inches per pound and a maximum load of 16 Pound Force. It features machine hook ends and a left wind direction. The 233CS is a reliable and versatile extension spring option.

At Century Spring, we pride ourselves on providing fast shipping and maintaining a significant stock inventory. Our products, including the 233CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality springs they need for their projects. Trust Century Spring for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 5.5 in
Material High Carbon Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 3.3 lbs/in
SKU 233CS
Sugg Max Deflection 4 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 139.7 mm
Material High Carbon Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.58 N/mm
SKU 233CS
Sugg Max Deflection 101.6 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.46
50 - 149 $4.24
150 - 299 $4.02
300 - 499 $3.80
500 - 749 $3.35
750 - 999 $2.90
1000+ Call for price