Piano Wire Springs | McMaster-Carr

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Compressed Length @ Maximum Load

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

Spring Wind Direction

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Maximum Torque

5 in·lbf to 9.99 in·lbf

10 in·lbf to 19.99 in·lbf

20 in·lbf to 24.99 in·lbf

Number of Coils

Spring Length @ Maximum Torque

3,261 Products

Compression Springs

Use these springs in noncorrosive environments.

Compression Spring Stock

Use these steel springs in noncorrosive environments.

Precision Compression Springs

Use these steel springs in noncorrosive environments.

Mil. Spec. Compression Springs

These springs meet MS24585 and come with a traceable lot number and material test report.

Made-to-Order Compression Springs

If you're designing something unique or can't find the exact size spring you need, we'll get it for you.

Extension Springs

Extension Springs with Loop Ends

Use these steel springs in noncorrosive environments.

Mil. Spec. Extension Springs with Loop Ends

These steel springs meet MS 24586 and come with a traceable lot number and material test report.

Extension Springs with Hook Ends

Use these steel springs in noncorrosive environments.

Extension Springs with Special Ends

For specialty applications and connections, these springs have unique end types.

Torsion Springs

Use these steel springs in noncorrosive environments.