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75CS - 4.50 Inch High Carbon Steel Extension Springs

The 75CS 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 0.75 inches, and a free length of 4.5 inches. It has an initial tension of 1.5 pounds and a maximum deflection of 7.8 inches. The 75CS has a spring rate of 1.2 inches per pound and a maximum load of 10 pound force. It has machine hooks at both ends. This extension spring is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of delivering springs promptly to our customers. With our efficient shipping process, you can expect to receive your order quickly. Additionally, we maintain a significant stock of springs, including the 75CS, in our warehouse. This ensures that we have the products you need readily available. We are also proud to say that all of our springs are made in the United States. With Century Spring, you can trust in the quality and reliability of our products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.5 lb
Length 4.5 in
Material High Carbon Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 1.2 lbs/in
SKU 75CS
Sugg Max Deflection 7.8 in
Sugg Max Load 10 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.68 kg
Length 114.3 mm
Material High Carbon Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.21 N/mm
SKU 75CS
Sugg Max Deflection 198.12 mm
Sugg Max Load 44.48 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 $4.51
50 - 149 $4.29
150 - 299 $4.06
300 - 499 $3.84
500 - 749 $3.39
750 - 999 $2.94
1000+ Call for price