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816 - 2.13 Inch Spring Steel Compression Spring

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Compression spring manufactured from Spring Steel with 7.5 coils and Closed & Ground ends. This spring features an O.D. of 1.281 Inch, and an I.D. of 0.957 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 816
Ends Closed & Ground
Finish Zinc
Free Length 2.13 in
Inside Diameter 0.957 in
Material Spring Steel
Outside Diameter 1.281 in
Part Type Standard
Rate 128 lbs/in
SKU 816CS
Solid Length 1.22 in
Suggested Max Deflection 0.76 in
Suggested Max Load 98 lbf
Total Coils 7.5
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 816
Ends Closed & Ground
Finish Zinc
Free Length 54.1 mm
Inside Diameter 24.31 mm
Material Spring Steel
Outside Diameter 32.54 mm
Part Type Standard
Rate 22.41 N/mm
SKU 816CS
Solid Length 30.99 mm
Suggested Max Deflection 19.3 mm
Suggested Max Load 435.9 N
Total Coils 7.5
Wire Diameter 4.11 mm
The 816CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.162" diameter hard drawn, the 816 spring design exhibits reliable strength across its 7.5 active coils, withstanding repeated compression cycles with a maximum load of 98 lbf without succumbing to fatigue.

We manufacture the 816 design to provide a compression spring that is 2.13" long at rest and provides a consistent rate of 128 lbs/in along its recommended maximum of 0.76" deflection. For best results, your application should fully accommodate the inner (0.957") and outer (1.281") diameters of this spring and be designed for its closed & ground end configuration.

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