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12721 - 5.31 Inch, 211 Inch Pounds Hard Drawn Compression Spring

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

Compression spring manufactured from Hard Drawn with 7 coils and Closed & Ground ends. This spring features an O.D. of 2.312 Inch, an I.D. of 1.752 Inch, and a spring rate of 211 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12721
Ends Closed & Ground
Finish None
Free Length 5.31 in
Inside Diameter 1.752 in
Material Hard Drawn
Outside Diameter 2.312 in
Part Type Standard
Rate 211 lbs/in
SKU 12721CS
Solid Length 1.96 in
Suggested Max Deflection 1.2 in
Suggested Max Load 251 lbf
Total Coils 7
Wire Diameter 0.28 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12721
Ends Closed & Ground
Finish None
Free Length 134.87 mm
Inside Diameter 44.5 mm
Material Hard Drawn
Outside Diameter 58.72 mm
Part Type Standard
Rate 36.95 N/mm
SKU 12721CS
Solid Length 49.78 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 1116.45 N
Total Coils 7
Wire Diameter 7.11 mm

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