Nuts for Threaded Rods | McMaster-Carr

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	Thread Type Thread Type

Acme

Metric Rounded
Trapezoidal

Metric Trapezoidal

Rounded Acme

	Nut Type Nut Type


Hex	Coupling

Flange	Round

Externally Threaded	Square

Platform	Thumb

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Component Component	Show

Nut

	Component Component	Hide

Ball Nut

Ball Screw

Ball Screw with One
Machined End

	Material Material

	Thread Direction Thread Direction


Right Hand	Left Hand

	Number of Thread Starts Number of Thread Starts

	Travel Distance per Turn Travel Distance per Turn

	Height Height

	Diameter Diameter

	Length Length

	Width Width

	Speed Ratio Speed Ratio

	Hardness Hardness

	Tensile Strength Tensile Strength

	Thread Fit Thread Fit

Class 2C

Class 2G

	Thread Pitch Thread Pitch

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity

10,000 lbs. or greater

Not Rated

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Flange Material Flange Material

Bronze

Plastic

Steel

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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686 Products

Selecting Compatible Lead Screws and Nuts

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.

Metric Lead Screws and Nuts

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

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.

Metric Precision Lead Screws and Nuts

Also known as trapezoidal-thread 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.

Ultra-Precision Lead Screws and Nuts

Metric 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.

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Selecting Compatible Lead Screws and Nuts