613CS - 10.30 Inch High Carbon Steel Extension Springs
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The 613CS is a regular extension spring manufactured by Century Spring. It features a machine hook at each end and is made from High Carbon steel with a zinc finish. This spring has a free length of 10.3 inches and an initial tension of 85 pounds. It has a maximum deflection of 2.2 inches and can handle a maximum load of 255 pound force. With an outside diameter of 1.312 inches and a wire diameter of 0.225 inches, the 613CS has a spring rate of 75 lbs/inch. This standard measurement unit spring is designed to wind in the left direction.
Century Spring takes pride in providing fast shipping and maintaining a significant stock inventory. We are pleased to offer our customers a wide range of springs, including the 613CS, all made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that you receive the springs you need promptly for your projects.


Label | Value |
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Brand | Century Spring |
Ends | Machine Hook |
Finish | Zinc |
Initial Tension | 85 lb |
Length | 10.3 in |
Material | High Carbon Steel |
Outside Diameter | 1.312 in |
Part Type | Standard |
Rate | 75 lbs/in |
SKU | 613CS |
Sugg Max Deflection | 2.2 in |
Sugg Max Load | 255 lbf |
Wind Direction | Left |
Wire Diameter | 0.225 in |
Label | Value |
---|---|
Brand | Century Spring |
Ends | Machine Hook |
Finish | Zinc |
Initial Tension | 38.55 kg |
Length | 261.62 mm |
Material | High Carbon Steel |
Outside Diameter | 33.32 mm |
Part Type | Standard |
Rate | 13.13 N/mm |
SKU | 613CS |
Sugg Max Deflection | 55.88 mm |
Sugg Max Load | 1134.24 N |
Wind Direction | Left |
Wire Diameter | 5.72 mm |