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S-612CS - 1.97 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-612CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a machine hook at both ends. This spring has a wire diameter of 0.045 inches, an outside diameter of 0.375 inches, and a free length of 1.97 inches. It has an initial tension of 1 Pound and a maximum load of 8.3 Pound Force. The S-612CS has a spring rate of 4.2 lbs/inch and a maximum deflection of 1.6 inches. It is a left wind spring 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 S-612CS, are readily available for immediate shipment. Additionally, all of our springs are proudly made in the United States, guaranteeing high-quality craftsmanship. With Century Spring, you can count on fast shipping and reliable availability to meet your spring needs efficiently.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1 lb
Length 1.97 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 4.2 lbs/in
SKU S-612CS
Sugg Max Deflection 1.6 in
Sugg Max Load 8.3 lbf
Wind Direction Left
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.45 kg
Length 50.04 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.74 N/mm
SKU S-612CS
Sugg Max Deflection 40.64 mm
Sugg Max Load 36.92 N
Wind Direction Left
Wire Diameter 1.14 mm