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M-63CS - 1.56 Inch 302/304 Stainless Steel Extension Springs

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The M-63CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a machine hook on each end. This spring has a free length of 1.56 inches and an outside diameter of 0.25 inches. It has an initial tension of 0.4 pounds and a maximum deflection of 1.8 inches. The M-63CS has a maximum load of 2.7 pound force and a spring rate of 1.3 lbs/inch. It weighs 0.006 pounds and is wound in a left direction. This spring is suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the M-63CS, are made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.4 lb
Length 1.56 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 1.3 lbs/in
SKU M-63CS
Sugg Max Deflection 1.8 in
Sugg Max Load 2.7 lbf
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.18 kg
Length 39.62 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.23 N/mm
SKU M-63CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 12.01 N
Wire Diameter 0.69 mm