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B3-7CS - 0.50 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The B3-7CS is a regular extension spring manufactured by Century Spring. This spring is made from 302/304 stainless steel and has a wire diameter of 0.013 inches. It has an outside diameter of 0.188 inches and a free length of 0.5 inches. The B3-7CS has an initial tension of 0.04 pound-force and a maximum deflection of 1.3 inches. With a spring rate of 0.31 inch-pounds, it can handle a maximum load of 0.44 pound-force. This spring features machine hooks on both ends and is suitable for various extension spring 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 strive to ship our products quickly. With our significant stock levels, including the B3-7CS, you can trust that we have the springs you need readily available. Additionally, all of our springs are proudly made in the United States, ensuring high-quality craftsmanship and supporting local manufacturing. Choose Century Spring for reliable shipping, a wide range of stock, and American-made products.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.04 lb
Length 0.5 in
Material 302/304 Stainless Steel
Outside Diameter 0.188 in
Part Type Standard
Rate 0.31 lbs/in
SKU B3-7CS
Sugg Max Deflection 1.3 in
Sugg Max Load 0.44 lbf
Wind Direction Left
Wire Diameter 0.013 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.02 kg
Length 12.7 mm
Material 302/304 Stainless Steel
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.05 N/mm
SKU B3-7CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 1.96 N
Wind Direction Left
Wire Diameter 0.33 mm