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D-9120721CS - 1.75 Inch Chrome Silicon Die Springs

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The D-9120721CS is a medium duty compression spring manufactured by Century Spring. It is made from chrome silicon material, known for its durability and strength. This blue spring has a free length of 1.75 inches and a wire diameter of 0.155 inches. With a hole size of 0.75 inches, it is suitable for various applications. The D-9120721CS has a deflection for average life of 0.43 inches, with an average life deflection force of 112 pounds. For long life, it has a deflection of 0.52 inches and a long life deflection force of 134 pounds. The maximum deflection for this spring is 0.65 inches, with a maximum deflection force of 168 pounds. Its rate is 258 lbs/inch, and it has a rod size of 0.375 inches. The shipping weight of this spring is 0.0731 pounds.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand that time is of the essence when it comes to your projects, which is why we strive to deliver your springs quickly and efficiently. Our products, including the D-9120721CS, are proudly made in the United States, ensuring high-quality craftsmanship and supporting local businesses. With Century Spring, you can count on reliable shipping and a wide selection of springs to meet your needs.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 112 lb
Brand Century Spring
Deflection For Average Life 0.43 in
Deflection For Long Life 0.52 in
Duty Load Medium
Finish None
Finish Color Blue
Free Length 1.75 in
Hole Size 0.75 in
Long Life Deflection Force 134 lb
Material Chrome Silicon
Maximum Deflection 0.65 in
Maximum Deflection Force 168 lb
Measurement Units Standard
Rate 258 lbs/in
Rod Size 0.375 in
SKU D-9120721CS
Wire Diameter 0.155 in x 0.098 in
Specs (in metric)
Label Value
Average Life Deflection Force 50.79 kg
Brand Century Spring
Deflection For Average Life 10.92 mm
Deflection For Long Life 13.21 mm
Duty Load Medium
Finish None
Finish Color Blue
Free Length 44.45 mm
Hole Size 19.05 mm
Long Life Deflection Force 60.77 kg
Material Chrome Silicon
Maximum Deflection 16.51 mm
Maximum Deflection Force 76.19 kg
Measurement Units Standard
Rate 29150.09 N/mm
Rod Size 9.53 mm
SKU D-9120721CS
Wire Diameter 3.94 mm x 2.49 mm