1/4"-20 Shafts | McMaster-Carr

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Threaded on Both Ends

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Electrically Insulating

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Zinc Yellow-Chromate Plated

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884 Products

Power Transmission

Linear Shafts

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

75 products

Rotary Shafts

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

22 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

2 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

17 products

Connecting Rods

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

24 products

Gear Box Shafts

Convert output drives from female to male

2 products

Shaft Collars

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

36 products

Linear Drive Nuts

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

3 products

Precision Lead Screws and Nuts

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

23 products

Flexible Shaft Coupling Hubs

Pair with spiders, discs, or grids for a complete flexible shaft coupling

20 products

Fastening and Joining

Standoffs

Separate, position, or connect components in assemblies

122 products

Single-End Studs

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

11 products

Dowel Pins

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

101 products

Threaded Rods

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

359 products

Thread Adapters

Join threads of a different type, size, and gender

9 products

Threaded Rod Collars

Hold and position parts on a threaded rod

4 products

Building and Machinery Hardware

Lever Handles

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

4 products

Ball-Lever Shafts

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

4 products

Fluid Handling

Mixer Shafts

Replace the shaft on mixers

2 products

Float Rods

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

11 products

Fabricating and Machining

Setup Studs

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

37 products