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D-1221-ACS - 12 Inch Chrome Alloy Die Springs

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The D-1221-ACS is a medium duty compression spring manufactured by Century Spring. This spring is made from chrome alloy and has a red finish. It has a wire diameter of 0.117 inch and a maximum wire diameter of 0.081 inches. The free length of the spring is 12 inches, and it has a hole size of 0.625 inches. The deflection for average life is 2.4 inches, with an average life deflection force of 65 pounds. For long life, the deflection is 3 inches, with a long life deflection force of 81 pounds. The maximum deflection of the spring is 4.44 inches, with a maximum deflection force of 120 pounds. The spring rate is 27 lbs/inch, and the rod size is 0.3428 inches. The shipping weight of the D-1221-ACS is 0.2596 pound. Century Spring's fast shipping and significant stock inventory ensure that customers can quickly receive this high-quality spring, which is proudly made in the United States.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 65 lb
Brand Century Spring
Deflection For Average Life 2.4 in
Deflection For Long Life 3 in
Duty Load Medium
Finish None
Finish Color Red
Free Length 12 in
Hole Size 0.625 in
Long Life Deflection Force 81 lb
Material Chrome Alloy
Maximum Deflection 4.44 in
Maximum Deflection Force 120 lb
Measurement Units Standard
Rate 27 lbs/in
Rod Size 0.3428 in
SKU D-1221-ACS
Wire Diameter 0.117 in x 0.081 in
Specs (in metric)
Label Value
Average Life Deflection Force 29.48 kg
Brand Century Spring
Deflection For Average Life 60.96 mm
Deflection For Long Life 76.2 mm
Duty Load Medium
Finish None
Finish Color Red
Free Length 304.8 mm
Hole Size 15.88 mm
Long Life Deflection Force 36.73 kg
Material Chrome Alloy
Maximum Deflection 112.78 mm
Maximum Deflection Force 54.42 kg
Measurement Units Standard
Rate 3050.59 N/mm
Rod Size 8.71 mm
SKU D-1221-ACS
Wire Diameter 2.97 mm x 2.06 mm