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4318 - 2.81 Inch Spring Steel Compression Spring

Inventory Status
Limited Availability

Compression spring manufactured from Spring Steel with 25.3 coils and Closed ends. This spring features an O.D. of 0.36 Inch, and an I.D. of 0.272 Inch.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4318
Ends Closed
Finish Zinc
Free Length 2.81 in
Inside Diameter 0.272 in
Material Spring Steel
Outside Diameter 0.36 in
Part Type Standard
Rate 7.4 lbs/in
SKU 4318CS
Solid Length 1.16 in
Suggested Max Deflection 1.2 in
Suggested Max Load 9 lbf
Total Coils 25.3
Wire Diameter 0.044 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4318
Ends Closed
Finish Zinc
Free Length 71.37 mm
Inside Diameter 6.91 mm
Material Spring Steel
Outside Diameter 9.14 mm
Part Type Standard
Rate 1.3 N/mm
SKU 4318CS
Solid Length 29.46 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 40.03 N
Total Coils 25.3
Wire Diameter 1.12 mm