External Square Nuts | McMaster-Carr

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169 Products

Fastening and Joining

Square Nuts

Flat sides won’t spin in channels and square holes

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

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