Safety Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Maximum Torque

Shaft Type

Drive Type

For Shaft Misalignment Type

Drive Direction

Clockwise and Counterclockwise

Clockwise or Counterclockwise

Shaft Mount Type

Engagement Type

Construction

Overall Length

Torque

0 ft·lbf to 25 ft·lbf

0 ft·lbf to 50 ft·lbf

0 ft·lbf to 75 ft·lbf

0 ft·lbf to 150 ft·lbf

0.01 in·lbf to 0.06 in·lbf

0.01 in·lbf to 0.13 in·lbf

0.03 in·lbf to 0.44 in·lbf

0.06 in·lbf to 1.25 in·lbf

0.18 in·lbf to 5 in·lbf

0.2 in·lbf

0.5 in·lbf to 10.6 in·lbf

0.8 in·lbf

1 in·lbf to 25 in·lbf

1.3 in·lbf

1.6 in·lbf to 16 in·lbf

Keyway Width

Maximum Rotation Speed

Material

Export Control Classification Number (ECCN)

RoHS

Torque Adjustment Mechanism

Air

Fixed

Manual

DFARS Specialty Metals

Exempt

Rotation Speed

Less than 1,000 rpm

1,000 rpm to 1,499 rpm

1,500 rpm to 1,799 rpm

1,800 rpm to 1,999 rpm

REACH

Clutch Type

Keyway Depth

Shaft Coupling Flexibility

Flexible

Rigid

Number of Set Screws Included

Forward

How can we improve?

233 Products

Power Transmission

Torque Limiters

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

112 products

Clutches

Start and stop the transmission of power to machinery

58 products

Brakes

Control how much and how quickly your drive system slows down

7 products

Shear Couplings

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

22 products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

13 products