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135CS - 8.50 Inch High Carbon Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 135CS 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 0.08 inches, an outside diameter of 0.812 inches, and a free length of 8.5 inches. It has an initial tension of 3 pounds and a maximum deflection of 10 inches. The 135CS has a spring rate of 1.6 inches per pound and a maximum load of 20 pound force. It features machine hook ends and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 135CS, are promptly shipped to our customers. Additionally, all our springs are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is your trusted source for high-quality springs for any project.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 8.5 in
Material High Carbon Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 1.6 lbs/in
SKU 135CS
Sugg Max Deflection 10 in
Sugg Max Load 20 lbf
Wind Direction Left
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 215.9 mm
Material High Carbon Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 0.28 N/mm
SKU 135CS
Sugg Max Deflection 254 mm
Sugg Max Load 88.96 N
Wind Direction Left
Wire Diameter 2.03 mm