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D-1320CS - 3.50 Inch Chrome Alloy Die Springs

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The D-1320CS is a heavy duty compression spring manufactured by Century Spring. It is made from chrome alloy and does not have a finish. This spring has a free length of 3.5 inches and a wire diameter of 0.125 inches. The hole size for this spring is 0.625 inches. It has a deflection for average life of 0.53 inches, with an average life deflection force of 64 pounds. The D-1320CS also has a deflection for long life of 0.7 inches, with a long life deflection force of 85 pounds. Its maximum deflection is 1.05 inches, with a maximum deflection force of 128 pounds. The spring rate is 122 lbs/inch and the rod size is 0.3428 inches. The shipping weight of this spring is 0.0845 pounds.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the D-1320CS, 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 64 lb
Brand Century Spring
Deflection For Average Life 0.53 in
Deflection For Long Life 0.7 in
Duty Load Heavy
Finish None
Finish Color Gold
Free Length 3.5 in
Hole Size 0.625 in
Long Life Deflection Force 85 lb
Material Chrome Alloy
Maximum Deflection 1.05 in
Maximum Deflection Force 128 lb
Measurement Units Standard
Rate 122 lbs/in
Rod Size 0.3428 in
SKU D-1320CS
Wire Diameter 0.125 in x 0.093 in
Specs (in metric)
Label Value
Average Life Deflection Force 29.02 kg
Brand Century Spring
Deflection For Average Life 13.46 mm
Deflection For Long Life 17.78 mm
Duty Load Heavy
Finish None
Finish Color Gold
Free Length 88.9 mm
Hole Size 15.88 mm
Long Life Deflection Force 38.55 kg
Material Chrome Alloy
Maximum Deflection 26.67 mm
Maximum Deflection Force 58.05 kg
Measurement Units Standard
Rate 13784.15 N/mm
Rod Size 8.71 mm
SKU D-1320CS
Wire Diameter 3.18 mm x 2.36 mm