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D-9121021CS - 2.50 Inch Chrome Silicon Die Springs

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The D-9121021CS is a medium duty compression spring manufactured by Century Spring. Made from chrome silicon material, this blue spring has a wire diameter of 0.155 inches and a maximum wire diameter of 0.098 inches. It has a free length of 2.5 inches and a hole size of 0.75 inches. With a deflection for average life of 0.63 inches and an average life deflection force of 109 pounds, this spring offers reliable performance. It also has a deflection for long life of 0.76 inches and a long life deflection force of 131 pounds. With a maximum deflection of 0.94 inches and a maximum deflection force of 163 pounds, this spring can handle various applications. The D-9121021CS has a rate of 173 lbs/inch and a rod size of 0.375 inches. It is a standard size spring suitable for many projects.

At Century Spring, we pride ourselves on fast shipping and a significant stock inventory. We understand the importance of timely delivery, and our efficient shipping processes ensure that you receive your springs quickly. Additionally, our extensive stock inventory means that we have the springs you need readily available. As a proud American manufacturer, all our products, including the D-9121021CS, are made in the United States. With Century Spring, you can trust in high-quality springs and reliable service for all your project needs.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 109 lb
Brand Century Spring
Deflection For Average Life 0.63 in
Deflection For Long Life 0.76 in
Duty Load Medium
Finish None
Finish Color Blue
Free Length 2.5 in
Hole Size 0.75 in
Long Life Deflection Force 131 lb
Material Chrome Silicon
Maximum Deflection 0.94 in
Maximum Deflection Force 163 lb
Measurement Units Standard
Rate 173 lbs/in
Rod Size 0.375 in
SKU D-9121021CS
Wire Diameter 0.155 in x 0.098 in
Specs (in metric)
Label Value
Average Life Deflection Force 49.43 kg
Brand Century Spring
Deflection For Average Life 16 mm
Deflection For Long Life 19.3 mm
Duty Load Medium
Finish None
Finish Color Blue
Free Length 63.5 mm
Hole Size 19.05 mm
Long Life Deflection Force 59.41 kg
Material Chrome Silicon
Maximum Deflection 23.88 mm
Maximum Deflection Force 73.92 kg
Measurement Units Standard
Rate 19546.38 N/mm
Rod Size 9.53 mm
SKU D-9121021CS
Wire Diameter 3.94 mm x 2.49 mm