Shaft Adapter Couplings | McMaster-Carr

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Shaft Diameter

Shaft Type

System of Measurement

Overall Length

Material

Construction

For Shaft Misalignment Type

Shaft Mount Type

Keyway Width

Maximum Torque

Less than 10,000 in·lbf

10,000 in·lbf to 19,999 in·lbf

20,000 in·lbf to 29,999 in·lbf

30,000 in·lbf to 39,999 in·lbf

40,000 in·lbf or greater

Not Rated

Shaft Coupling Flexibility

For Rotary Motion

Clamping Screw Material

Stainless Steel

Steel

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

1C998

EAR99

Keyway Depth

Maximum Rotation Speed

Number of Clamping Screws Included

Shaft Coupling Connection

Set Screw Material

Clamping Screw Type

Number of Set Screws Included

Flexible Shaft Coupling Cut Style

2,859 Products

Power Transmission

Shaft Couplings

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

2,110 products

Shaft Adapters

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

54 products

Machinable Shaft Ends

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

56 products

Shear Couplings

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

21 products

U-Joints

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

174 products

Flexible Shafts

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

41 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

Building and Machinery Hardware

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

18 products