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TO-5178RCS - Music Wire Torsion Springs

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The TO-5178RCS is a torsion spring manufactured by Century Spring. It is made from high-quality music wire and does not have a finish applied. This spring features a wire diameter of 0.085 inches, an inside diameter of 0.578 inches, and an outside diameter of 0.748 inches. With a leg length of 2.5 inches and a body length of 0.49 inches, this torsion spring has a total of 4.25 coils. It has an angle between legs of 90 degrees and a mandrel diameter of 0.47 inches. The TO-5178RCS has a maximum torque of 12 inch-pounds and a rotational spring rate of 0.1429 inch-pounds per degree. Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. Our springs, including the TO-5178RCS, are proudly made in the United States, ensuring reliable quality and availability for your projects.

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Unit System
Specs (in standard)
Label Value
Angle Between Legs 90 deg
Body Length 0.446 in
Brand Century Spring
Finish None
Inside Diameter 0.578 in
Leg Length 2.5 in
Mandrel Diameter 0.47 in
Material Music Wire
Max Deflection (deg) (suggested) 111
Max Torque (suggested) 13.43 lbs-in
Measurement Units Standard
Outside Diameter 0.748 in
Rate 0.12 lbf-in/deg
SKU TO-5178RCS
Total Coils 4.25
Wind Direction Right
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Angle Between Legs 90 deg
Body Length 11.33 mm
Brand Century Spring
Finish None
Inside Diameter 14.68 mm
Leg Length 63.5 mm
Mandrel Diameter 11.94 mm
Material Music Wire
Max Deflection (deg) (suggested) 111
Max Torque (suggested) 2.35 N-mm
Measurement Units Standard
Outside Diameter 19 mm
Rate 13.56 N-mm/deg
SKU TO-5178RCS
Total Coils 4.25
Wind Direction Right
Wire Diameter 2.16 mm