121CS - 8.50 Inch High Carbon Steel Extension Springs
The 121CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 8.5 inches, this spring has an initial tension of 8 pounds. Made from High Carbon steel, it has a maximum deflection of 2.9 inches and can withstand a maximum load of 29 pound force. The 121CS has an outside diameter of 0.437 inches and a wire diameter of 0.072 inches. Its spring rate is 7.3 inch-pounds. This standard measurement unit spring is left wound.
At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the 121CS, are proudly made in the United States. We understand the importance of timely delivery and have streamlined our shipping process to ensure that you receive your springs promptly. With our commitment to quality and availability, Century Spring is your trusted source for springs of all types.
| Label | Value |
|---|---|
| Brand | Century Spring |
| Ends | Machine Hook |
| Finish | Zinc |
| Initial Tension | 8 lb |
| Length | 8.5 in |
| Material | High Carbon Steel |
| Outside Diameter | 0.437 in |
| Part Type | Standard |
| Rate | 7.3 lbs/in |
| SKU | 121CS |
| Sugg Max Deflection | 2.9 in |
| Sugg Max Load | 29 lbf |
| Wind Direction | Left |
| Wire Diameter | 0.072 in |
| Label | Value |
|---|---|
| Brand | Century Spring |
| Ends | Machine Hook |
| Finish | Zinc |
| Initial Tension | 3.63 kg |
| Length | 215.9 mm |
| Material | High Carbon Steel |
| Outside Diameter | 11.1 mm |
| Part Type | Standard |
| Rate | 1.28 N/mm |
| SKU | 121CS |
| Sugg Max Deflection | 73.66 mm |
| Sugg Max Load | 128.99 N |
| Wind Direction | Left |
| Wire Diameter | 1.83 mm |