Aluminum Tube Fitting Nuts | McMaster-Carr

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4130 Alloy Steel

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Tube OD

Tube ID

For Tube Wall Thickness

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Partially Threaded

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Unified Standard Class 2B

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154 Products

Fastening and Joining

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Weld Nuts

Weld to metal surfaces to add permanent threads

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)