Shaft Extensions | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Overall Length

Material

Shaft Mount Type

For Shaft Misalignment Type

Construction

Thread Size

Keyway Width

Maximum Torque

Shaft Coupling Flexibility

Flexible

Rigid

Shaft Coupling Motion

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

1C998

EAR99

Clamping Screw Material

Stainless Steel

Steel

Keyway Depth

Shaft Coupling Connection

Number of Clamping Screws Included

Maximum Rotation Speed

Set Screw Material

End Type

Clamping Screw Type

3,685 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

U-Joints

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

174 products

Shear Couplings

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

22 products

Flexible Shafts

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

41 products

Connecting Rods

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

808 products

Torque Limiters

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

112 products

Fastening and Joining

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

3 products

Driver Shafts

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

37 products