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S-18 - 1.25 Inch, 45 Inch Pounds 302/304 Stainless Steel Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from 302/304 Stainless Steel with 9.75 coils and Closed & Ground ends. This spring features an O.D. of 0.531 Inch, an I.D. of 0.387 Inch, and a spring rate of 45 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-18
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.387 in
Material 302/304 Stainless Steel
Outside Diameter 0.531 in
Part Type Standard
Rate 45 lbs/in
SKU S-18CS
Solid Length 0.7 in
Suggested Max Deflection 0.49 in
Suggested Max Load 22 lbf
Total Coils 9.75
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-18
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 9.83 mm
Material 302/304 Stainless Steel
Outside Diameter 13.49 mm
Part Type Standard
Rate 7.88 N/mm
SKU S-18CS
Solid Length 17.78 mm
Suggested Max Deflection 12.45 mm
Suggested Max Load 97.86 N
Total Coils 9.75
Wire Diameter 1.83 mm

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