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PP-8CS - 0.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3 coils and closed & ground ends. This spring features an O.D. of 0.781", and an I.D. of 0.541".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name PP-8
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.541 in
Material Spring Steel
Outside Diameter 0.781 in
Part Type Standard
Rate 1032 lbs/in
SKU PP-8CS
Solid Length 0.36 in
Suggested Max Deflection 0.07 in
Suggested Max Load 68 lbf
Total Coils 3
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name PP-8
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 13.74 mm
Material Spring Steel
Outside Diameter 19.84 mm
Part Type Standard
Rate 180.7 N/mm
SKU PP-8CS
Solid Length 9.14 mm
Suggested Max Deflection 1.78 mm
Suggested Max Load 302.46 N
Total Coils 3
Wire Diameter 3.05 mm
The PP-8CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.12" diameter spring steel, the PP-8 spring design exhibits reliable strength across its 3 active coils, withstanding repeated compression cycles with a maximum load of 68 lbf without succumbing to fatigue.

We manufacture the PP-8 design to provide a compression spring that is 0.5" long at rest and provides a consistent rate of 1032 lbs/in along its recommended maximum of 0.07" deflection. For best results, your application should fully accommodate the inner (0.541") and outer (0.781") diameters of this spring and be designed for its closed & ground end configuration.