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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

B7-64CS - 5.03 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The B7-64CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a wire diameter of 0.035 inches. It has an outside diameter of 0.188 Inch and a free length of 5.03 inches. The B7-64CS has an initial tension of 3 Pound and a maximum deflection of 1.5 inches. It has a maximum load capacity of 8.9 Pound Force. This spring features full loop ends and has a spring rate of 4.4 lbs/inch. It is a standard extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need. That's why we maintain a significant inventory of springs, including the B7-64CS, ready to be shipped quickly. In addition, all our springs are proudly made in the United States, guaranteeing the highest quality and craftsmanship. Trust Century Spring for your spring needs and experience our reliable shipping and ample supply firsthand.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B7-64CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.035 in
F) Outside Diameter 0.188 in
G) Length 5.03 in
H) End Type Full Loop
I) End Position Random
J) Rate 4.4 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 1.5 in
L) Sugg Max Load 8.9 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B7-64CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.89 mm
F) Outside Diameter 4.78 mm
G) Length 127.76 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.77 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 38.1 mm
L) Sugg Max Load 39.59 N
O) Finish None