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D-1129CS - 4.50 Inch Chrome Alloy Die Springs

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The D-1129CS is a chrome alloy die spring manufactured by Century Spring. This light duty spring has a blue finish and a free length of 4.5 inches. It has a hole size of 0.75 inches and a wire diameter of 0.165 inches. The D-1129CS has a maximum deflection of 2.25 inches and a maximum deflection force of 144 pounds. With a deflection for average life of 1.8 inches and an average life deflection force of 115 pounds, this spring offers reliable performance. It also has a deflection for long life of 1.13 inches and a long life deflection force of 72 pounds. The D-1129CS has a spring rate of 64 lbs/inch and a rod size of 0.375 inches. Its shipping weight is 0.1391 pounds.

Century Spring is committed to providing fast and reliable shipping. We maintain a significant stock inventory, including the D-1129CS, to ensure that our customers can receive their springs quickly. All our springs are proudly made in the United States, guaranteeing high quality and craftsmanship. Trust Century Spring for all your spring needs.

Unit System
Specs (in standard)
Label Value
Average Life Deflection Force 115 lb
Brand Century Spring
Deflection For Average Life 1.8 in
Deflection For Long Life 1.13 in
Duty Load Light
Finish None
Finish Color Blue
Free Length 4.5 in
Hole Size 0.75 in
Long Life Deflection Force 72 lb
Material Chrome Alloy
Maximum Deflection 2.25 in
Maximum Deflection Force 144 lb
Measurement Units Standard
Rate 64 lbs/in
Rod Size 0.375 in
SKU D-1129CS
Wire Diameter 0.165 in x 0.075 in
Specs (in metric)
Label Value
Average Life Deflection Force 52.15 kg
Brand Century Spring
Deflection For Average Life 45.72 mm
Deflection For Long Life 28.7 mm
Duty Load Light
Finish None
Finish Color Blue
Free Length 114.3 mm
Hole Size 19.05 mm
Long Life Deflection Force 32.65 kg
Material Chrome Alloy
Maximum Deflection 57.15 mm
Maximum Deflection Force 65.31 kg
Measurement Units Standard
Rate 7231.03 N/mm
Rod Size 9.53 mm
SKU D-1129CS
Wire Diameter 4.19 mm x 1.91 mm