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EE-78 - 0.72 Inch, 21 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 4.25 coils and Closed & Ground ends. This spring features an O.D. of 0.5 Inch, an I.D. of 0.416 Inch, and a spring rate of 21 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name EE-78
Ends Closed & Ground
Finish None
Free Length 0.72 in
Inside Diameter 0.416 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 21 lbs/in
SKU EE-78CS
Solid Length 0.18 in
Suggested Max Deflection 0.28 in
Suggested Max Load 5.7 lbf
Total Coils 4.25
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name EE-78
Ends Closed & Ground
Finish None
Free Length 18.29 mm
Inside Diameter 10.57 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 3.68 N/mm
SKU EE-78CS
Solid Length 4.57 mm
Suggested Max Deflection 7.11 mm
Suggested Max Load 25.35 N
Total Coils 4.25
Wire Diameter 1.07 mm

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