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100CS - 6.50 Inch High Carbon Steel Extension Springs

The 100CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel with a zinc finish. This spring has a wire diameter of 0.091 inches, an outer diameter of 0.75 inches, and a free length of 6.5 inches. It has an initial tension of 6 pounds and a maximum deflection of 4.2 inches. The 100CS features machine hook ends and a left wind direction. It is a reliable and versatile extension spring suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need. Our products, including the 100CS, are proudly made in the United States. With our commitment to quality and efficiency, Century Spring is the trusted choice 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 6 lb
Length 6.5 in
Material High Carbon Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 5.9 lbs/in
SKU 100CS
Sugg Max Deflection 4.2 in
Sugg Max Load 31 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 165.1 mm
Material High Carbon Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.03 N/mm
SKU 100CS
Sugg Max Deflection 106.68 mm
Sugg Max Load 137.89 N
Wind Direction Left
Wire Diameter 2.31 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $10.03
50 - 149 $9.53
150 - 299 $9.03
300 - 499 $8.53
500 - 749 $7.53
750 - 999 $6.52
1000+ Call for price