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ZZ1-28CS - 0.47 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ1-28CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and has a gold iridite finish. This spring has a free length of 0.47 inch and an initial tension of 1 pound. It is made from high-quality music wire and can handle a maximum deflection of 0.16 inches. With a maximum load capacity of 8.2 pound force, this spring is suitable for a variety of applications. The ZZ1-28CS has an outside diameter of 0.188 inch and a wire diameter of 0.031 inches. It has a spring rate of 43 lbs/inch.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of getting your springs quickly, which is why we ensure prompt delivery. All our products, including the ZZ1-28CS, are proudly made in the United States. With our commitment to quality and reliable shipping, Century Spring is your trusted source for springs for all your projects.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 1 lb
Length 0.47 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 43 lbs/in
SKU ZZ1-28CS
Sugg Max Deflection 0.16 in
Sugg Max Load 8.2 lbf
Wind Direction Left
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 0.45 kg
Length 11.94 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 7.53 N/mm
SKU ZZ1-28CS
Sugg Max Deflection 4.06 mm
Sugg Max Load 36.47 N
Wind Direction Left
Wire Diameter 0.79 mm