2 7/8" Shafts | McMaster-Carr

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Retaining Ring Groove

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Round with Support Rail

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Hardness

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Steel Grade

1005-1026 Low-Carbon Steel

1008 Low-Carbon Steel

1008-1010 Low-Carbon Steel

1010 Low-Carbon Steel

1018 Low-Carbon Steel

1020 Low-Carbon Steel

1020-1026 Low-Carbon Steel

1026 Low-Carbon Steel

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

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Export Control Classification Number (ECCN)

33,999 Products

Most Likely Products

Rotary Shafts

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

1,762 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

1,318 products

Steel

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

3,423 products

All Results

Power Transmission

Rotary Shafts

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

1,762 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

1,318 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

28 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

164 products

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

808 products

Shaft Collars

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

2,717 products

Rigid Shaft Couplings

Join two shafts that are aligned and handle higher torque than flexible shaft couplings

696 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

54 products

Flexible Shaft Couplings

Connect two shafts that are misaligned to transfer rotary motion from one to the other

1,632 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

41 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

976 products

Ball Screws and Nuts

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

205 products

Gear Worms

Couple with a worm gear to reduce speed while transferring motion at a right angle in one direction

6 products

Spur Gear Stock

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

18 products

Gear Box Shafts

Convert output drives from female to male

10 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

51 products

Ball Screw/Splines and Bearings

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

3 products

Sleeve Splines and Bearings

Combine sleeve splines and bearings to create linear and rotary motion systems

21 products

Timing Belt Pulley Stock

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

17 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

79 products

End Supports for Ball Screws and Precision Lead Screws

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

16 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 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

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

3 products

Raw Materials

Steel

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

3,423 products

Stainless Steel

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

1,491 products

Aluminum

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

939 products

Plastic

A lightweight alternative to metal and glass

2,088 products

Brass

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

337 products

Tungsten

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

198 products

Garolite

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

605 products

Bronze

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

454 products

Carbon Fiber

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

148 products

Titanium

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

60 products

Fiberglass

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

98 products

Copper

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

186 products

Ceramic

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

188 products

Hard Fiber

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

17 products

Nickel

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

84 products

Tantalum

Conductive with a higher melting point than most metals—all with material certificates for traceability

23 products

Lead

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

1 product

Niobium

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

4 products

Kevlar

Super tough for protection against prolonged wear and abrasion

5 products

Cobalt

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

3 products

Molybdenum

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

29 products

Zinc

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

22 products

Fastening and Joining

Dowel Pins

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

3,502 products

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

53 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

184 products

Standoffs

Separate, position, or connect components in assemblies

1,259 products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

5,369 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

59 products

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

44 products

Fluid Handling

Mixer Shafts

Replace the shaft on mixers

44 products

Float Rods

Connect valve bodies and floats to build or repair a float valve

18 products

Building and Machinery Hardware

Ball-Lever Shafts

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

56 products

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

26 products

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

97 products

Weld-Together Framing Rails

Permanently join with connectors to assemble heavy duty racks, shelving, and work tables

35 products

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

627 products

Die Grinder Drill Attachments

Convert bench-mount motors and drills into flexible-shaft grinders

1 product

Rotary Tool Shafts

Pair with rotary tools to grind, sand, finish, and polish corners and other tight spots

1 product

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

17 products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

533 products

Measuring and Inspecting

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

9 products

Shaft Balancers

Test parts for balance by placing them on the discs

8 products

Safety Equipment

Rotary Shaft Covers

Protect exposed rotary shafts from debris and reduce the chance of injury

4 products

Facility and Grounds Maintenance

Rebar

Reinforces concrete to reduce the chance it will crack from expansion and contraction

9 products

Tube Cleaner Brushes

Remove soft deposits and light scale

39 products