3ft. Long Lead Screws | McMaster-Carr

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Thread Size

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Thread Direction

Right Hand and Left Hand

Material

Stainless Steel

Steel

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Threading

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Thread Fit

Tensile Strength

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Hardness

Rockwell C58 to Rockwell C62

Not Rated

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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Fastener Strength Grade/Class

Specifications Met

Root Diameter

Usable Left-Hand Thread Length

16 1/2"

17"

Usable Right-Hand Thread Length

Heat Treatment

Thread Fabrication

362 Products

Selecting Compatible Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

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

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

Ultra-Precision Lead Screws and Nuts

Fast-Travel Ultra-Precision Lead Screws and Nuts

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

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.

Ball Screws and Nuts

Also known as single-start ball screws and nuts, these have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts.

Fast-Travel Ball Screws and Nuts

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

Self-Stopping Ball Screws and Nuts

Keep your ball screw spinning without the ball nut damaging your system. When the ball nut reaches the stop pin at either end of the ball screw, it disengages and begins to idle.

Fast-Travel Corrosion-Resistant
Ball Screws and Nuts

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

Selecting Compatible Lead Screws and Nuts

Precision Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

Fast-Travel Precision Acme Lead Screws and Nuts

Ultra-Precision Lead Screws and Nuts

Fast-Travel Ultra-Precision Lead Screws and Nuts

Acme Lead Screws and Nuts

Acme Lead Screws and Nuts

Ball Screws and Nuts

Ball Screws and Nuts

Fast-Travel Ball Screws and Nuts

Self-Stopping Ball Screws and Nuts

Fast-Travel Corrosion-ResistantBall Screws and Nuts

Fast-Travel Corrosion-Resistant
Ball Screws and Nuts