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203-BCS - 1 Inch Music Wire Extension Springs

The 203-BCS 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 0.012 inches, an outer diameter of 0.094 inches, and a free length of 1 inches. With an initial tension of 0.1 Pound, it can provide reliable extension and flexibility. The 203-BCS has a maximum deflection of 1.3 Inch and can support a maximum load of 1.1 Pound Force. It is designed with machine hooks on both ends for secure attachment. This standard extension spring is ideal for a variety of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery, which is why we strive to ship orders as quickly as possible. Additionally, our extensive stock ensures that you can easily find the springs you need for your projects. We are proud to manufacture all our products, including the 203-BCS, in the United States. This allows us to maintain high-quality standards and support local manufacturing. Trust Century Spring for reliable shipping, ample supply, and exceptional springs made right here in the USA.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.1 lb
Length 1 in
Material Music Wire
Outside Diameter 0.094 in
Part Type Standard
Rate 0.75 lbs/in
SKU 203-BCS
Sugg Max Deflection 1.3 in
Sugg Max Load 1.1 lbf
Wind Direction Left
Wire Diameter 0.012 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.05 kg
Length 25.4 mm
Material Music Wire
Outside Diameter 2.39 mm
Part Type Standard
Rate 0.13 N/mm
SKU 203-BCS
Sugg Max Deflection 33.02 mm
Sugg Max Load 4.89 N
Wind Direction Left
Wire Diameter 0.3 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.12
50 - 149 $2.02
150 - 299 $1.91
300 - 499 $1.81
500 - 749 $1.59
750 - 999 $1.38
1000+ Call for price