Endless Screws | McMaster-Carr

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System of Measurement

Thread Size

Component

Ball Screw with One Machined End

Shaft-Mounted Worm

Length

Material

Stainless Steel

Thread Direction

Right Hand and Left Hand

Travel Distance per Turn

Nut Type

Externally Threaded

Number of Thread Starts

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Threading

Partially Threaded

Diameter

Speed Ratio

Thread Pitch

Shaft Diameter

Tensile Strength

Less than 40,000 psi

40,000 psi to 59,999 psi

60,000 psi to 69,999 psi

70,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 8e

Hardness

Rockwell C58 to Rockwell C62

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

OD

Gear Pitch Diameter

Fastener Strength Grade/Class

How can we improve?

1,331 Products

Power Transmission

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Ball Screws and Nuts

Ball Screws and Nuts

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

Worm Gears

Reduce speed while transferring motion at a right angle in only one direction

Lead Screws

Pair with lead screw nuts to move components in a straight line

Roller Screws and Nuts

Roller Screws and Nuts

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

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)