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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

ZZ1-64CS - 1.06 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-64CS is a regular extension spring manufactured by Century Spring. It features a gold iridite finish and is made from spring steel. This spring has a free length of 1.06 inches and a wire diameter of 0.0625 inches. It has an initial tension of 3 pounds and a maximum deflection of 0.45 inches. The ZZ1-64CS has a maximum load capacity of 16 pound force and a spring rate of 29 lbs/inch. With its machine hook ends and left wind direction, this extension spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. This means that we can quickly deliver the ZZ1-64CS and other springs to our customers. We are also proud to say that all of our products, including the ZZ1-64CS, are made right here in the United States. With our commitment to quality and convenience, Century Spring is the trusted choice for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-64CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.0625 in
F) Outside Diameter 0.515 in
G) Length 1.06 in
H) End Type Machine Hook
I) End Position Random
J) Rate 29 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 0.45 in
L) Sugg Max Load 16 lbf
O) Finish Gold Iridite
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-64CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.59 mm
F) Outside Diameter 13.08 mm
G) Length 26.92 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 5.08 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 11.43 mm
L) Sugg Max Load 71.17 N
O) Finish Gold Iridite