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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

M-13CS - 0.75 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The M-13CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.01 inch and an outside diameter of 0.125 inches. The free length of the M-13CS is 0.75 inches, and it has an initial tension of 0.03 pound. It can handle a maximum deflection of 2.4 inches and has a maximum load capacity of 0.46 pound force. This spring features full loop ends and has a spring rate of 0.18 lbs/inch. With its standard measurement units and left wind direction, the M-13CS is a reliable choice for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to fulfill orders promptly. Additionally, our significant stock inventory ensures that customers can find the springs they need without delays. It's worth noting that all of our springs, including the M-13CS, are proudly made in the United States. We prioritize quality and craftsmanship in every product we manufacture. Trust Century Spring for reliable shipping, ample stock, and American-made springs for your projects.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku M-13CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.01 in
F) Outside Diameter 0.125 in
G) Length 0.75 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.18 lbs/in
K) Initial Tension 0.03 lb
L) Sugg Max Deflection 2.4 in
L) Sugg Max Load 0.46 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku M-13CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.25 mm
F) Outside Diameter 3.18 mm
G) Length 19.05 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.03 N/mm
K) Initial Tension 0.01 kg
L) Sugg Max Deflection 60.96 mm
L) Sugg Max Load 2.05 N
O) Finish None