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B18-181CS - 3 Inch 302/304 Stainless Steel Compression Springs

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Estimated Lead Time

The B18-181CS is a regular compression spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has no finish. This spring has a wire diameter of 0.09 inches, an outer diameter of 0.734 inches, and a free length of 3 inches. It has a spring rate of 17 lbs/inch and a maximum load of 21 Pound Force. The B18-181CS is a closed and ground spring, making it suitable for various applications where precise dimensions are required.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture our springs in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.554 in
Material 302/304 Stainless Steel
Outside Diameter 0.734 in
Part Type Standard
Rate 17 lbs/in
SKU B18-181CS
Solid Length 1.8 in
Suggested Max Deflection 1.2 in
Suggested Max Load 21 lbf
Total Coils 20
Wire Diameter 0.09 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 76.2 mm
Inside Diameter 14.07 mm
Material 302/304 Stainless Steel
Outside Diameter 18.64 mm
Part Type Standard
Rate 2.98 N/mm
SKU B18-181CS
Solid Length 45.72 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 93.41 N
Total Coils 20
Wire Diameter 2.29 mm