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258-BCS - 1.88 Inch Music Wire Extension Springs

The 258-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 free length of 1.88 inches and an outside diameter of 0.125 inches. With an initial tension of 0.1 pound, it can provide the necessary force for various applications. The 258-BCS has a maximum deflection of 3.3 inches and a maximum load capacity of 1.3 pounds. Designed with a left wind direction and a wire diameter of 0.014 inches, this spring is reliable and efficient.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs promptly. With our significant stock, including the 258-BCS, customers can find the springs they need without delay. We are also proud to say that all our springs are made in the United States, guaranteeing their quality and supporting local manufacturing. Trust Century Spring for your spring needs, and experience our commitment to fast shipping, ample supply, and exceptional American-made products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.1 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 0.35 lbs/in
SKU 258-BCS
Sugg Max Deflection 3.3 in
Sugg Max Load 1.3 lbf
Wind Direction Left
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.05 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.06 N/mm
SKU 258-BCS
Sugg Max Deflection 83.82 mm
Sugg Max Load 5.78 N
Wind Direction Left
Wire Diameter 0.36 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.41
50 - 149 $2.29
150 - 299 $2.17
300 - 499 $2.05
500 - 749 $1.81
750 - 999 $1.57
1000+ Call for price