Connecting Shafts | McMaster-Carr

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System of Measurement

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Thread Size

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Threading

Threaded on Both Ends

Threaded on One End

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Left Hand

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Retaining Ring Groove

Finish

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

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Shaft Type

Round with Support Rail

Performance

Electrically Insulating

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Hardness

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Component

Ball Screw with One Machined End

Fastener Head Type

Thread Length

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Not Rated

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17,906 Products

Fastening and Joining

Single-End Studs

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

184 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Threaded Rods

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

5,369 products

Dowel Pins

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

3,502 products

Standoffs

Separate, position, or connect components in assemblies

1,257 products

Studs

Press, weld, or screw in place to add a threaded fastening point

624 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

36 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

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

Connecting Rods

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

808 products

Gear Box Shafts

Convert output drives from female to male

10 products

Ball Screws and Nuts

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

205 products

Flexible Shafts

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

41 products

Sleeve Splines and Bearings

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

21 products

Ball Screw/Splines and Bearings

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

3 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

Lead Screws and Nuts

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

838 products

Precision Lead Screws and Nuts

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

976 products

Linear Drive Nuts

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

3 products

Fabricating and Machining

Rotary Tool Shafts

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

1 product

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

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

16 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

Facility and Grounds Maintenance

Tube Cleaner Shafts

Attach a brush and bend to clean hard-to-reach spots

6 products