#4-40 Hex Coupling Nuts
Coupling Nuts, also known as Extension Nuts, are threaded fastener for joining two male threaded objects, most commonly threaded rod, but also pipes. The outside of the coupling nut is usually a hex so it can be gripped by a wrench.
4 results, (click on any line for more information)
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|ZAL INDUS||CA||Coupling Nut||Steel||Zinc/Clear||#4-40||4-40 coupling nut pltd||100|
|Lippin||CA||Coupling Nut||Steel||Zinc/Clear||#4-40||#4-40 coupling nut zinc||50|
|HBBOLT||CA||Coupling Nut||Steel||Zinc/Clear||#4-40||coupling nuts||77|
|Kanebridge||IL||Coupling Nut||Steel||Zinc/Clear||#4-40 x 7/16 5/16||4-40x7/16-5/16 hex rod coupling nut 5/16 inch across flats zinc||62.500|
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