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100 YRS
167 DAYS

B6-4CS - 1.38 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The B6-4CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has no finish. This spring has a wire diameter of 0.018 Inch and an outside diameter of 0.125 inches. It has a free length of 1.38 Inch and an initial tension of 0.4 Pound. The B6-4CS has a maximum deflection of 1.2 Inch and can handle a maximum load of 2.5 Pound Force. It is a left-wind spring with full-loop ends. The B6-4CS is a standard extension spring suitable for a variety of applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We are proud to offer both. Our products, including the B6-4CS, are made right here in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku B6-4CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.018 in
F) Outside Diameter 0.125 in
G) Length 1.38 in
H) End Type Full Loop
I) End Position Random
J) Rate 1.8 lbs/in
K) Initial Tension 0.4 lb
L) Sugg Max Deflection 1.2 in
L) Sugg Max Load 2.5 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku B6-4CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.46 mm
F) Outside Diameter 3.18 mm
G) Length 35.05 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.32 N/mm
K) Initial Tension 0.18 kg
L) Sugg Max Deflection 30.48 mm
L) Sugg Max Load 11.12 N
O) Finish None