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D-81CS - 4 Inch Oil Tempered Die Springs

The D-81CS is a medium duty compression spring manufactured by Century Spring. It is made from oil tempered material and has a standard measurement unit. This spring has a free length of 4 inches and a hole size of 1.25 inches. Its wire diameter is 0.292 inches and can handle a maximum deflection of 1.6 inches with a maximum deflection force of 755 pounds. The deflection for average life is 1 inch with an average life deflection force of 472 pounds. The D-81CS has a rod size of 0.625 inches and a rate of 472 lbs/inch. It weighs 0.4774 pounds and belongs to the Springs - Die - Chrome family with no finish applied.

Century Spring offers fast shipping and maintains a significant stock inventory. Our products, including the D-81CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 472 lb
Brand Century Spring
Deflection For Average Life 1 in
Duty Load Medium
Finish None
Free Length 4 in
Hole Size 1.25 in
Material Oil Tempered
Maximum Deflection 1.6 in
Maximum Deflection Force 755 lb
Measurement Units Standard
Rate 472 lbs/in
Rod Size 0.625 in
SKU D-81CS
Wire Diameter 0.292 in x 0.17 in
Specs (in metric)
Label Value
Average Life Deflection Force 214.06 kg
Brand Century Spring
Deflection For Average Life 25.4 mm
Duty Load Medium
Finish None
Free Length 101.6 mm
Hole Size 31.75 mm
Material Oil Tempered
Maximum Deflection 40.64 mm
Maximum Deflection Force 342.4 kg
Measurement Units Standard
Rate 53328.84 N/mm
Rod Size 15.88 mm
SKU D-81CS
Wire Diameter 7.42 mm x 4.32 mm