Steel Ball Screw Nuts | McMaster-Carr

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System of Measurement

Thread Size

Component

Nut Type

Length

Travel Distance per Turn

Diameter

Thread Direction

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

Number of Thread Starts

Thread Type

Threading

Material

Center Height

Maximum Backlash

Number of Mounting Holes

Mounting Hole Thread Size

Hardness

Rockwell C31

Rockwell C56

Rockwell C58

Rockwell C58 to Rockwell C62

Rockwell C60

Not Rated

Tensile Strength

Less than 60,000 psi

60,000 psi to 89,999 psi

90,000 psi to 99,999 psi

100,000 psi to 129,999 psi

130,000 psi or greater

Flange Material

Maximum Temperature

REACH

DFARS Specialty Metals

Exempt

RoHS

Compliant

Export Control Classification Number (ECCN)

EAR99

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181 Products

Ball Screws and Nuts

A single thread to operate with more torque than fast-travel ball screws and nuts

97 products

Fast-Travel Ball Screws and Nuts

Multiple thread channels for faster travel than ball screws with a single thread

66 products

Self-Stopping Ball Screws and Nuts

Disengage and idle when the nut reaches the stop pin at either end of the screw

10 products

Other 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