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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

99CS - 6.50 Inch High Carbon Steel Extension Springs

Inventory:           
Estimated Lead Time

The 99CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.08 inches, an outside diameter of 0.625 inches, and a free length of 6.5 inches. It has an initial tension of 6 Pound and a maximum deflection of 4.1 inches. The 99CS has a maximum load of 27 Pound Force and features machine hook ends. It is a left-wind spring and is suitable 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 promptly ship out orders. Additionally, our significant stock inventory ensures that we have a wide range of springs available for immediate shipment. As an American company, we are proud to manufacture all our products, including the 99CS, in the United States. With our reliable shipping and ample supply, Century Spring is your trusted source for high-quality springs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku 99CS
C) Part Type Standard
D) Material High Carbon Steel
E) Wire Diameter 0.08 in
F) Outside Diameter 0.625 in
G) Length 6.5 in
H) End Type Machine Hook
I) End Position Random
J) Rate 5.3 lbs/in
K) Initial Tension 6 lb
L) Sugg Max Deflection 4.1 in
L) Sugg Max Load 27 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku 99CS
C) Part Type Standard
D) Material High Carbon Steel
E) Wire Diameter 2.03 mm
F) Outside Diameter 15.88 mm
G) Length 165.1 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.93 N/mm
K) Initial Tension 2.72 kg
L) Sugg Max Deflection 104.14 mm
L) Sugg Max Load 120.1 N
O) Finish Zinc