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178-BCS - 1.88 Inch Music Wire Extension Springs

The 178-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 0.023 Inch and an outside diameter of 0.312 inches. With a free length of 1.88 Inch and a maximum deflection of 7.4 inches, this spring offers excellent flexibility and performance. It has an initial tension of 0.1 Pound and can withstand a maximum load of 2 Pound Force. The 178-BCS is a left-wind spring with machine hook ends. As a standard extension spring, it is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure that your order, including the 178-BCS, is promptly shipped to your doorstep. With our significant stock of springs, you can count on us to have the products you need readily available. Moreover, all our springs are proudly made in the United States, guaranteeing the highest quality and craftsmanship. Trust Century Spring for reliable shipping, ample supply, and top-notch American-made springs for all your project needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.1 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 0.26 lbs/in
SKU 178-BCS
Sugg Max Deflection 7.4 in
Sugg Max Load 2 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.05 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.05 N/mm
SKU 178-BCS
Sugg Max Deflection 187.96 mm
Sugg Max Load 8.9 N
Wind Direction Left
Wire Diameter 0.58 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.01
50 - 149 $1.91
150 - 299 $1.81
300 - 499 $1.71
500 - 749 $1.51
750 - 999 $1.31
1000+ Call for price