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3748 - 1.13 Inch, 420 Inch Pounds Spring Steel Compression Spring

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

Compression spring manufactured from Spring Steel with 8.75 coils and Closed & Ground ends. This spring features an O.D. of 0.5 Inch, an I.D. of 0.29 Inch, and a spring rate of 420 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3748
Ends Closed & Ground
Finish Zinc
Free Length 1.13 in
Inside Diameter 0.29 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 420 lbs/in
SKU 3748CS
Solid Length 0.92 in
Suggested Max Deflection 0.17 in
Suggested Max Load 70 lbf
Total Coils 8.75
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3748
Ends Closed & Ground
Finish Zinc
Free Length 28.7 mm
Inside Diameter 7.37 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 73.54 N/mm
SKU 3748CS
Solid Length 23.37 mm
Suggested Max Deflection 4.32 mm
Suggested Max Load 311.36 N
Total Coils 8.75
Wire Diameter 2.67 mm

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