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ZZ4-51CS - 0.63 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ4-51CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and is made from high-quality music wire material. This spring has a free length of 0.63 inch and an initial tension of 1 pound. It has a maximum deflection of 0.31 inch and can withstand a maximum load of 5.9 pound force. With an outside diameter of 0.172 inch and a wire diameter of 0.027 inches, this spring has a rate of 16 lbs/inch. The ZZ4-51CS is a reliable and versatile extension spring suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. As a leading manufacturer, we ensure that our products, including the ZZ4-51CS, are made right here in the United States. With our commitment to quality and efficiency, customers can rely on us to deliver their springs quickly and meet their project needs. Whether you require regular extension springs or any other type of spring, Century Spring has you covered with our reliable shipping and ample supply.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1 lb
Length 0.63 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 16 lbs/in
SKU ZZ4-51CS
Sugg Max Deflection 0.31 in
Sugg Max Load 5.9 lbf
Wind Direction Left
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.45 kg
Length 16 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 2.8 N/mm
SKU ZZ4-51CS
Sugg Max Deflection 7.87 mm
Sugg Max Load 26.24 N
Wind Direction Left
Wire Diameter 0.69 mm