Shaft Connectors | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Material

Shank Thread Size

Overall Length

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For Shaft Misalignment Type

Construction

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Shank Gender

Maximum Torque

Keyway Width

Shank Center Length

RoHS

Compliant with Exemptions

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REACH

Compliant

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Export Control Classification Number (ECCN)

1C998

1C999

EAR99

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Shaft Coupling Flexibility

Flexible

Rigid

Shaft Coupling Motion

Overall Thickness

Shank Thread Direction

Shank Thread Length

Keyway Depth

4,655 Products

Power Transmission

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

2,123 products

Shaft Adapters

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

54 products

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

174 products

Machinable Shaft Ends

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

56 products

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

31 products

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

22 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

1,646 products

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

8 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

29 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

112 products

Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

2 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

65 products

Building and Machinery Hardware

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

24 products