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B-11 - 1.28 Inch Spring Steel Compression Spring

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Compression spring manufactured from Spring Steel with 17 coils and Closed & Ground ends. This spring features an O.D. of 0.375 Inch, and an I.D. of 0.263 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B-11
Ends Closed & Ground
Finish Gold Iridite
Free Length 1.28 in
Inside Diameter 0.263 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 29 lbs/in
SKU B-11CS
Solid Length 0.95 in
Suggested Max Deflection 0.33 in
Suggested Max Load 9.6 lbf
Total Coils 17
Wire Diameter 0.056 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B-11
Ends Closed & Ground
Finish Gold Iridite
Free Length 32.51 mm
Inside Diameter 6.68 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 5.08 N/mm
SKU B-11CS
Solid Length 24.13 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 42.7 N
Total Coils 17
Wire Diameter 1.42 mm
The compression spring B-11CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the B-11 compression spring design exhibits exceptional tensile strength and resilience.

The B-11 design is manufactured with a free length of 1.28", with an outer diameter of 0.375", an inner diameter of 0.263", and a total of 17 coils, expertly designed to deliver consistent compression characteristics including a rate of 29 lbs/in.

The B-11CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring B-11 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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