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12372CS - 6 Inch Spring Steel Extension Springs

The 12372CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a zinc finish. It has a wire diameter of 0.0625 inches, an outside diameter of 0.5 inches, and a free length of 6 inches. The 12372CS has an initial tension of 3 Pound and a maximum deflection of 4.4 inches. It has a maximum load capacity of 17 Pound Force and is designed with full loop ends. The 12372CS is a reliable extension spring suitable for various applications.

At Century Spring, we pride ourselves on offering fast shipping and maintaining a significant stock inventory. Our products, including the 12372CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects. Trust Century Spring for high-quality springs and excellent service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 3 lb
Length 6 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 3.1 lbs/in
SKU 12372CS
Sugg Max Deflection 4.4 in
Sugg Max Load 17 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.36 kg
Length 152.4 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.54 N/mm
SKU 12372CS
Sugg Max Deflection 111.76 mm
Sugg Max Load 75.62 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.94
50 - 149 $4.70
150 - 299 $4.45
300 - 499 $4.20
500 - 749 $3.71
750 - 999 $3.22
1000+ Call for price