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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

ZZ1-46CS - 0.75 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-46CS is a regular extension spring manufactured by Century Spring. It is made from music wire and has a zinc finish. This spring has a wire diameter of 0.016 inches, an outside diameter of 0.125 inches, and a free length of 0.75 inches. It has an initial tension of 0.2 pound and a maximum deflection of 0.69 inches. The ZZ1-46CS has a spring rate of 2.2 lbs/inch and a maximum load of 1.8 pound force. It features full loop ends and is suitable for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and being able to meet the demands of our customers. That's why we ensure that our products, including the ZZ1-46CS, are always in stock and ready to be shipped. In addition, we are proud to say that all of our springs are made right here in the United States. With our reliable shipping and commitment to quality, Century Spring is your trusted source for springs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-46CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.016 in
F) Outside Diameter 0.125 in
G) Length 0.75 in
H) End Type Full Loop
I) End Position Random
J) Rate 2.2 lbs/in
K) Initial Tension 0.2 lb
L) Sugg Max Deflection 0.69 in
L) Sugg Max Load 1.8 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-46CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.41 mm
F) Outside Diameter 3.18 mm
G) Length 19.05 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.39 N/mm
K) Initial Tension 0.09 kg
L) Sugg Max Deflection 17.53 mm
L) Sugg Max Load 8.01 N
O) Finish Zinc