Zero Backlash Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Shaft Type

Overall Length

For Shaft Misalignment Type

Material

Shaft Mount Type

Construction

Maximum Torque

500 in·lbf to 999 in·lbf

1,000 in·lbf to 9,999 in·lbf

10,000 in·lbf to 29,999 in·lbf

30,000 in·lbf or greater

For Rotary Motion

Continuous

Forward/Reverse

Start/Stop

Flexible Shaft Coupling Cut Style

Parallel

Spiral

Shaft Coupling Flexibility

Flexible

Rigid

Clamping Screw Material

Stainless Steel

Steel

Number of Clamping Screws Included

REACH

RoHS

DFARS Specialty Metals

Exempt

Angular Misalignment Capability

Export Control Classification Number (ECCN)

1C998

EAR99

Parallel Misalignment Capability

Axial Misalignment Capability

Clamping Screw Type

Keyway Width

Set Screw Material

1,185 Products

Power Transmission

Shaft Couplings

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

1,124 products

U-Joints

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

29 products