Left-Hand Threaded Acme Nuts | McMaster-Carr

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347 Products

Selecting Compatible Lead Screws and Nuts

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Lead Screws and Screw Jacks

Acme Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects.

Precision Acme Lead Screws and Nuts

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Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.

Fast-Travel Precision Acme Lead Screws and Nuts

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Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start.

Flanges for Precision Acme Nuts

Flanges for Precision Acme Nuts

Combine with an externally threaded acme nut to create a custom flange nut.

Clamping Acme Lead Screw Collars

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Thread these one-piece collars onto an Acme lead screw.

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