3/4" Shafts | McMaster-Carr

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System of Measurement

Diameter

Length

End Type

Retaining Ring Groove

Material

Mechanical Finish

Precision Ground

Edge Type

Hardness Rating

Shape

For Motion

Thread Size

Hardness

Durometer 41D to Durometer 46D

Durometer 50D to Durometer 60D

Durometer 52D to Durometer 55D

Durometer 55D to Durometer 66D

Keyway Width

Keyway Length

Tolerance Rating

Shaft Type

Heat Treatment

Stress Relieved

RoHS

Compliant with Exemptions

Finish

REACH

Keyway Depth

DFARS Specialty Metals

Steel Grade

1018 Low-Carbon Steel

4140 Alloy Steel

A36 Low-Carbon Steel

Export Control Classification Number (ECCN)

ID

Component

Support-Rail Shaft

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679 Products

Power Transmission

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

Gear Box Shafts

Gear Box Shafts

Convert output drives from female to male

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

Ball Screw Nuts

Ball Screw Nuts

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

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Raw Materials

Steel

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

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

Plastic

A lightweight alternative to metal and glass

Brass

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

Titanium

The most corrosion-resistant metal we offer—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

Fiberglass

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

Hard Fiber

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

Carbon Fiber

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

Cobalt

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

Copper

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

Tungsten

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

Ceramic

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

Nickel

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

Zinc

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

Molybdenum

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

Fastening and Joining

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Fluid Handling

Mixer Shafts

Replace the shaft on mixers

Building and Machinery Hardware

Ball-Lever Shafts

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

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