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D-71CS - 4 Inch Oil Tempered Die Springs

The D-71CS 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 1.125 inches. The wire diameter is 0.25 inches, with a maximum wire diameter of 0.156 inches. It has a maximum deflection of 1.6 inches and a maximum deflection force of 589 pounds. The deflection for average life is 1 inches, with an average life deflection force of 368 pounds. The spring rate is 368 lbs/inch and the rod size is 0.5625 inches. With its reliable performance and quality construction, the D-71CS is an ideal choice for various applications.

Century Spring prides itself on fast shipping and maintaining a significant stock inventory. As a leading manufacturer of springs, we understand the importance of quick delivery to our customers. Our extensive inventory ensures that we have the D-71CS and other springs readily available for immediate shipment. We are also proud to say that all of our springs are made in the United States, guaranteeing their quality and durability. Whether you need a single spring or a large quantity, Century Spring is dedicated to providing you with the springs you need, when you need them.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 368 lb
Brand Century Spring
Deflection For Average Life 1 in
Duty Load Medium
Finish None
Free Length 4 in
Hole Size 1.125 in
Material Oil Tempered
Maximum Deflection 1.6 in
Maximum Deflection Force 589 lb
Measurement Units Standard
Rate 368 lbs/in
Rod Size 0.5625 in
SKU D-71CS
Wire Diameter 0.25 in x 0.156 in
Specs (in metric)
Label Value
Average Life Deflection Force 166.89 kg
Brand Century Spring
Deflection For Average Life 25.4 mm
Duty Load Medium
Finish None
Free Length 101.6 mm
Hole Size 28.58 mm
Material Oil Tempered
Maximum Deflection 40.64 mm
Maximum Deflection Force 267.12 kg
Measurement Units Standard
Rate 41578.42 N/mm
Rod Size 14.29 mm
SKU D-71CS
Wire Diameter 6.35 mm x 3.96 mm