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BB-12CS - 0.31" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 9 coils and closed ends. This spring features an O.D. of 0.109", and an I.D. of 0.083".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name BB-12
Ends Closed
Finish None
Free Length 0.31 in
Inside Diameter 0.083 in
Material 302/304 Stainless Steel
Outside Diameter 0.109 in
Part Type Standard
Rate 5.8 lbs/in
SKU BB-12CS
Solid Length 0.13 in
Suggested Max Deflection 0.14 in
Suggested Max Load 0.83 lbf
Total Coils 9
Wire Diameter 0.013 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name BB-12
Ends Closed
Finish None
Free Length 7.87 mm
Inside Diameter 2.11 mm
Material 302/304 Stainless Steel
Outside Diameter 2.77 mm
Part Type Standard
Rate 1.02 N/mm
SKU BB-12CS
Solid Length 3.3 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 3.69 N
Total Coils 9
Wire Diameter 0.33 mm
The compression spring BB-12CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the BB-12 compression spring design exhibits exceptional tensile strength and resilience.

The BB-12 design is manufactured with a free length of 0.31", with an outer diameter of 0.109", an inner diameter of 0.083", and a total of 9 coils, expertly designed to deliver consistent compression characteristics including a rate of 5.8 lbs/in.

The BB-12CS 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 BB-12 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.