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Century Spring

B18-158CS - 1.25" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.921", and an I.D. of 0.817".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B18-158
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.817 in
Material 302/304 Stainless Steel
Outside Diameter 0.921 in
Part Type Standard
Rate 2.8 lbs/in
SKU B18-158CS
Solid Length 0.36 in
Suggested Max Deflection 0.89 in
Suggested Max Load 2.5 lbf
Total Coils 7
Wire Diameter 0.052 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B18-158
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 20.75 mm
Material 302/304 Stainless Steel
Outside Diameter 23.39 mm
Part Type Standard
Rate 0.49 N/mm
SKU B18-158CS
Solid Length 9.14 mm
Suggested Max Deflection 22.61 mm
Suggested Max Load 11.12 N
Total Coils 7
Wire Diameter 1.32 mm
The B18-158 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The B18-158CS compression spring is designed with a free length of 0.44" total of 5.5 coils, and a rate of 12 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The B18-158 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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