309CS - 3.25 Inch Music Wire Extension Springs
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The 309CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. This spring has a wire diameter of 0.025 inch and an outside diameter of 0.25 inches. Its free length measures 3.25 inches, with an initial tension of 0.36 pound. The 309CS offers a maximum deflection of 6.4 inches and can withstand a maximum load of 3.1 pound force. With a spring rate of 0.44 lbs/inch, this left wind spring is perfect 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, which is why we strive to promptly ship out our products. In addition, our wide selection of springs, including the 309CS, is proudly made in the United States. With our commitment to quality and reliable shipping, Century Spring ensures that customers can easily obtain the springs they need for their projects.


Label | Value |
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Brand | Century Spring |
Ends | Full Loop |
Finish | Zinc |
Initial Tension | 0.36 lb |
Length | 3.25 in |
Material | Music Wire |
Outside Diameter | 0.25 in |
Part Type | Standard |
Rate | 0.44 lbs/in |
SKU | 309CS |
Sugg Max Deflection | 6.4 in |
Sugg Max Load | 3.1 lbf |
Wind Direction | Left |
Wire Diameter | 0.025 in |
Label | Value |
---|---|
Brand | Century Spring |
Ends | Full Loop |
Finish | Zinc |
Initial Tension | 0.16 kg |
Length | 82.55 mm |
Material | Music Wire |
Outside Diameter | 6.35 mm |
Part Type | Standard |
Rate | 0.08 N/mm |
SKU | 309CS |
Sugg Max Deflection | 162.56 mm |
Sugg Max Load | 13.79 N |
Wind Direction | Left |
Wire Diameter | 0.64 mm |