Torque Limiters | 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 2,999 in·lbf

3,000 in·lbf to 9,999 in·lbf

10,000 in·lbf or greater

Less than 100 N-m

100 N-m to 249 N-m

250 N-m to 499 N-m

500 N-m to 999 N-m

1,000 N-m or greater

Torque

0 in·ozf to 3 in·ozf

0 in·ozf to 6 in·ozf

0 in·ozf to 12 in·ozf

0 in·lbf to 1.5 in·lbf

0 in·ozf to 32 in·ozf

0 in·lbf to 3 in·lbf

0 in·ozf to 80 in·ozf

0 in·ozf to 96 in·ozf

0 in·lbf to 10 in·lbf

0 in·lbf to 12 in·lbf

0 in·lbf to 24 in·lbf

0 in·lbf to 25 in·lbf

0 in·lbf to 30 in·lbf

0 in·lbf to 50 in·lbf

0 in·lbf to 100 in·lbf

0 in·lbf to 8 in·ozf

0 in·lbf to 15 in·lbf

0 in·lbf to 75 in·lbf

Shaft Type

OD

Square Drive Size

Unit of Measure

Drive Type

Adjustable Shut-Off Clutch

Adjustable Slip Clutch

Torque Setting

0.9 in·lbf to 12 in·lbf

20 in·ozf to 100 in·ozf

1.3 in·lbf to 6.2 in·lbf

2 in·lbf to 20 in·lbf

32 in·ozf to 36 in·lbf

Overall Length

Torque-Limiting Direction

Clockwise and Counterclockwise

Engagement Type

Construction

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Socket Type

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Maximum Rotation Speed

Torque Adjustability

Shaft Mount Type

RoHS

Compliant with Exemptions

For Shaft Misalignment Type

No Misalignment

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Keyway Width

Drive Style

External 12-Point

External Square

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968 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

Brakes

Control how much and how quickly your drive system slows down

Clutches

Start and stop the transmission of power to machinery

Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

Chain and Belt Torque Limiters

Chain and Belt Torque Limiters

Prevent chain or belt damage from overloading; loads above the set torque trigger a stop

Shear Couplings

Shear Couplings

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

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Fastening and Joining

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

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