Safety Couplings | McMaster-Carr

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System of Measurement

Shaft Diameter

Maximum Torque

Less than 1,000 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 3,999 in·lbf

4,000 in·lbf to 9,999 in·lbf

10,000 in·lbf or greater

Shaft Type

Shaft Mount Type

For Shaft Misalignment Type

No Misalignment

Drive Type

Construction

Torque

Less than 1,000 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 3,999 in·lbf

4,000 in·lbf to 9,999 in·lbf

10,000 in·lbf or greater

Maximum Rotation Speed

Overall Length

Engagement Type

Material

Stainless Steel

Drive Direction

Clockwise and Counterclockwise

Clockwise or Counterclockwise

Counterclockwise

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

2,000 rpm or greater

Keyway Width

RoHS

Length

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Torque Adjustment Mechanism

Clutch Type

Performance

Shaft Coupling Flexibility

How can we improve?

232 Products

Power Transmission

Torque Limiters

Torque Limiters

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

Clutches

Start and stop the transmission of power to machinery

Brakes

Control how much and how quickly your drive system slows down

Shear Couplings

Shear Couplings

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

Fluid Handling

Hose Fittings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)