Linear Shafts | McMaster-Carr

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System of Measurement

Diameter

Length

Material

End Type

Shape

Shaft Diameter

1/32" to 11/32"

1/32" to 15/32"

1/32" to 17/32"

1/32" to 19/32"

1/32" to 21/32"

1/32" to 11/16"

1/32" to 13/16"

OD

Thread Size

Mechanical Finish

Precision Ground

Component

Ball Screw with One Machined End

ID

Hardness

Shaft Motion

Linear and Rotary

Rail Width

Hardness Rating

Edge Type

Heat Treatment

Stress Relieved

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Width

Carriage Width

Travel Length

Shaft Type

Acme Lead Screw

Round with Support Rail

How can we improve?

19,240 Products

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Guide Rail Carriages

Guide Rail Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

Positioning Slides

Positioning Slides

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

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Gears and Gear Racks

Gears and Gear Racks

Connect two rotary shafts to change a system's speed, torque, and angle

Gear Stock

Machine your own gears to an exact face width and shaft diameter

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Track Rollers

Support and carry objects as they move along conveyor systems

Roller Screws and Nuts

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

Ball Screw/Splines

Ball Screw/Splines

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

Electric Actuators

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

Chain and Belt Pulley Stock

Chain and Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Plastic

A lightweight alternative to metal and glass

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

Brass

More machinable than copper and bronze—all with material certificates for traceability

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Molybdenum

Retains its shape and strength in extreme temperatures—all with material certificates for traceability

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Zinc

Draws corrosion away from nearby metal; an alternative to lead for sound barriers and vibration dampers

Niobium

Conductive and corrosion resistant even at extreme temperatures—all with material certificates for traceability

Kevlar

Super tough for protection against prolonged wear and abrasion

Building and Machinery Hardware

Drawer Slides

Smoothly guide drawers in and out of cabinets

Material Handling

Robot Positioning Slides

Robot Positioning Slides

Extend the horizontal reach of your Universal Robots arm

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