Precision Lead Screws | McMaster-Carr

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System of Measurement

Thread Size

Component

Ball Screw with One Machined End

Length

Nut Type

Thread Direction

Right Hand and Left Hand

Material

Travel Distance per Turn

Thread Type

Metric Rounded Trapezoidal

Number of Thread Starts

Diameter

Thread Pitch

Threading

Speed Ratio

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Not Rated

Dynamic Thrust Load Capacity

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. or greater

Hardness

Thread Fit

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

REACH

Compliant

Not Compliant

RoHS

Compliant

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Shaft Type

Performance

Shaft Diameter

1,267 Products

Precision Lead Screws and Nuts

Ultra-Precision Lead Screws and Nuts

A single thread runs the length of the screw, so the nut only travels when the screw turns

58 products

Metric Fast-Travel Ultra-Precision Lead Screws and Nuts

Multiple thread channels makes these faster than other Ultra-Precision Lead Screws and Nuts

91 products

Precision Acme Lead Screws and Nuts

Make accurate, repeatable starts and stops with a tight thread fit

519 products

Fast-Travel Ultra-Precision Lead Screws and Nuts

Multiple thread channels makes these faster than other Ultra-Precision Lead Screws and Nuts

72 products

Metric Ultra-Precision Lead Screws and Nuts

A single thread runs the length of the screw, so the nut only travels when the screw turns

32 products

Metric Precision Lead Screws and Nuts

Make accurate, repeatable starts and stops with a tight thread fit

41 products

Fast-Travel Precision Acme Lead Screws and Nuts

Create fast linear travel with multiple thread channels

169 products

Self-Reversing Lead Screws and Nuts

Drive the nut back and forth without changing the lead screw's rotation

4 products

Other Products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

205 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

3 products