Steel Ball Screws | McMaster-Carr

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System of Measurement

Thread Size

Component

Length

Travel Distance per Turn

Nut Type

Thread Direction

Threading

Number of Thread Starts

Material

Thread Type

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

Center Height

Thread Pitch

For Load Direction

Combined Radial and Thrust

Radial

Number of Mounting Holes

Maximum Backlash

Shaft Diameter

Tensile Strength

50,000 psi to 69,999 psi

70,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

461 Products

Power Transmission

Ball Screws and Nuts

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

180 products

End Supports for Ball Screws and Precision Lead Screws

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

16 products

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

43 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

Fastening and Joining

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

64 products

Thumb Screws

Tighten and loosen by hand without the need for tools

45 products

Building and Machinery Hardware

Way Wipers

Sweep debris away from machining tables, rails, and ball screws

5 products

Fabricating and Machining

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

29 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

42 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

8 products