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B7-63CS - 2.50 Inch Spring Steel Extension Springs

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The B7-63CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with no finish. This spring has a wire diameter of 0.077 inch and an outside diameter of 0.859 inches. The free length of the spring is 2.5 inches, and it has an initial tension of 2 pounds. The maximum deflection is 2.8 inches, and it can withstand a maximum load of 17 pound force. The spring rate is 5.3 lbs/inch. The B7-63CS is a left-wound spring with full loop ends. It is suitable for various applications and is available for purchase.

Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their orders promptly. Additionally, our extensive stock inventory ensures that the B7-63CS and other springs are readily available for immediate shipment. As a US-based company, we are dedicated to producing high-quality springs in the United States. With our reliable shipping and ample supply, Century Spring is the go-to choice for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 2.5 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 5.3 lbs/in
SKU B7-63CS
Sugg Max Deflection 2.8 in
Sugg Max Load 17 lbf
Wire Diameter 0.077 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 63.5 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 0.93 N/mm
SKU B7-63CS
Sugg Max Deflection 71.12 mm
Sugg Max Load 75.62 N
Wire Diameter 1.96 mm