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B18-131CS - 0.38 Inch Music Wire Compression Springs

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The B18-131CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.009 inches, an outer diameter of 0.296 inches, and a free length of 0.38 inches. It has a spring rate of 0.03 lbs/inch and a maximum load of 0.01 Pound Force. The B18-131CS is a closed-end spring with 15 total coils. It is a standard compression spring suitable 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, and our efficient shipping processes ensure that customers receive their springs quickly. Additionally, all of our products, including the B18-131CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is the trusted choice for high-quality springs for your projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 0.38 in
Inside Diameter 0.278 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 0.03 lbs/in
SKU B18-131CS
Solid Length 0.14 in
Suggested Max Deflection 0.23 in
Suggested Max Load 0.01 lbf
Total Coils 15
Wire Diameter 0.009 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 9.65 mm
Inside Diameter 7.06 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 0.01 N/mm
SKU B18-131CS
Solid Length 3.56 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 0.04 N
Total Coils 15
Wire Diameter 0.23 mm