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D-306640CS - 254 Millimeter Chrome Silicon Die Springs

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The D-306640CS is an extra heavy duty compression spring manufactured by Century Spring. This metric ISO spring has a yellow powder coat finish and is made from chrome silicon material. It has a free length of 254 millimeters and a hole size of 32 millimeters. The spring has three deflection options: 43.2mm, 50.8mm, and 63.5mm. It has a maximum deflection of 84.3mm and a spring rate of 64.3 Newtons per millimeter. The load capacity at maximum deflection is 5416 Newtons. With its strong load capacity and durable construction, this spring is ideal for heavy-duty applications.

At Century Spring, we pride ourselves on fast shipping and a large inventory of springs. Our products, including the D-306640CS, are proudly made in the United States. With our efficient shipping process and ample stock, we ensure that our customers can quickly receive the high-quality springs they need for their projects. Trust Century Spring for reliable performance and exceptional service.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Deflection 1 1.7008 in
Deflection 2 2 in
Deflection 3 2.5 in
Duty Load Extra Heavy
Finish Powder Coat
Finish Color Yellow
Free Length 10 in
Hole Size 1.2598 in
Load 1 623.6511 lbf
Load 2 733.8129 lbf
Load 3 917.2662 lbf
Load At Max Deflection 1217.6259 lbf
Material Chrome Silicon
Max Deflection 3.3189 in
Measurement Units Metric
Rate 367.2187 lbs/in
Rod Size 0.6299 in
SKU D-306640CS
Specs (in metric)
Label Value
Brand Century Spring
Deflection 1 43.2 mm
Deflection 2 50.8 mm
Deflection 3 63.5 mm
Duty Load Extra Heavy
Finish Powder Coat
Finish Color Yellow
Free Length 254 mm
Hole Size 32 mm
Load 1 2774 N
Load 2 3264 N
Load 3 4080 N
Load At Max Deflection 5416 N
Material Chrome Silicon
Max Deflection 84.3 mm
Measurement Units Metric
Rate 64.3 N/mm
Rod Size 16 mm
SKU D-306640CS