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R-12CS - Carbon Steel Long Length Compression Springs

The R-12CS is a long-length compression spring manufactured by Century Spring. It is made from carbon steel and has a standard measurement unit. This spring has an inside diameter of 0.343 inches and an outside diameter of 0.438 inches. It has a wire diameter of 0.048 inches and a length of 36 inches. The R-12CS has a solid length of 0.4 inches and a solid length per pound of 0.4 inches. It has a maximum load of 9 pound force and a spring rate of 16.7004 inches per pound or 1.3917 foot-pounds. With its durable construction and precise measurements, the R-12CS is suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of getting the right springs quickly, which is why we strive to deliver our products promptly. With our large inventory, we can ensure that you'll find the springs you need for your projects. Plus, all our springs, including the R-12CS, are proudly made in the United States. You can trust in the quality and reliability of Century Spring's products for your spring-related needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Finish None
Inside Diameter 0.343 in
Length 36 in
Material Carbon Steel
Measurement Units Standard
Outside Diameter 0.438 in
Pitch 0.13 in
Product Image R_12CS
Rate 16.7004 lbf-in
Rate Constant 1.3917 lbf
SKU R-12CS
Solid Length Constant 0.4 in
Solid Length Per 0.4 lb
Suggested Max Load 9 lbf
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Finish None
Inside Diameter 8.71 mm
Length 914.4 mm
Material Carbon Steel
Measurement Units Standard
Outside Diameter 11.13 mm
Pitch 3.3 mm
Product Image R_12CS
Rate 2.92 N-mm
Rate Constant 243.72 N
SKU R-12CS
Solid Length Constant 10.16 mm
Solid Length Per 0.18 kg
Suggested Max Load 40.03 N
Wire Diameter 1.22 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 249 $8.63
250 - 499 $7.34
500 - 2499 $6.48
2500+ Call for price