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R-12 - 0.438 Inch O.D. Long Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Long-length compression spring in Carbon Steel. This spring features an O.D. of 0.438 Inch, an I.D. of 0.343 Inch, and a spring rate of 1.3917 Foot-pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name R-12
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 lbs/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
Display Name R-12
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

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