3/8" Torque Wrenches | McMaster-Carr

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System of Measurement

Square Drive Size

Unit of Measure

Torque

0 in·lbf to 25 in·lbf

0 in·lbf to 50 in·lbf

0 in·lbf to 100 in·lbf

0 in·lbf to 150 in·lbf

0 in·lbf to 200 in·lbf

0 in·lbf to 300 in·lbf

0 in·lbf to 600 in·lbf

0 in·lbf to 800 in·lbf

0 ft·lbf to 220 in·lbf

0 ft·lbf to 200 ft·lbf

0 ft·lbf to 210 ft·lbf

0 ft·lbf to 400 ft·lbf

0.02 in·lbf to 6.97 in·lbf

0.2 in·lbf to 69.7 in·lbf

1.8 in·lbf to 221.2 in·lbf

Ratcheting

Head Style

Maximum Torque

Less than 1,000 ft·lbf

Less than 100 N-m

100 N-m to 249 N-m

Certificate Type

Calibration Certificate Traceable to NIST

Calibration Certificate with Test Data

Calibration Certificate with Test Data Traceable to NIST

Torque-Limiting Direction

Clockwise and Counterclockwise

Torque Setting

Wrench Style

Torque Adjustability

Overall Length

Torque-Limiting Mechanism

Clutch Disengage

Indicator Light

Torque Wrench Type

Torque Limiting

Torque Measuring

Drive Style

Power Source

Grip Material

Graduations

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Display Type

Horizontal Scale

Container Type

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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190 Products

Torque Wrenches

Adjustable Torque Wrenches

Adjustable Torque Wrenches

Set your desired torque within the range

Click Factory-Set Torque Wrenches

Click Factory-Set Torque Wrenches

Apply the same torque every time without setup

Quick-Release Adjustable Torque Wrenches

Quick-Release Adjustable Torque Wrenches

Instead of pulling off the socket, just push a button

Dial Torque-Measuring Wrenches

Dial Torque-Measuring Wrenches

Two pointers rotate to show applied torque and maximum torque reached

High-Accuracy Horizontal-Scale Torque-Measuring Wrenches

High-Accuracy Horizontal-Scale Torque-Measuring Wrenches

The pointer moves along the scale to show applied torque with ±2% accuracy

Slip-Release Factory-Set Torque Wrenches

Slip-Release Factory-Set Torque Wrenches

Automatically disengage when the set torque is reached to prevent overtightening

High-Accuracy Torque-Measuring Wrenches

High-Accuracy Torque-Measuring Wrenches

Digital display shows applied torque with ±1% accuracy and alerts you when desired torque is reached

T-Handle Slip-Release Factory-Set Torque Wrenches

T-Handle Slip-Release Factory-Set Torque Wrenches

Turn from above and automatically disengage to prevent overtightening

Torque-Measuring Wrenches

Torque-Measuring Wrenches

Digital display shows applied torque and alerts you when desired torque is reached

Flex-Head Adjustable Torque Wrenches

Flex-Head Adjustable Torque Wrenches

The head pivots to access fasteners in tight spots

Horizontal-Scale Torque-Measuring Wrenches

Horizontal-Scale Torque-Measuring Wrenches

The pointer moves along the scale to show applied torque

Data-Recording Torque-and-Angle Measuring Wrenches

Data-Recording Torque-and-Angle Measuring Wrenches

Our most advanced torque wrenches record and display torque and angle measurements

No-Reset Adjustable Torque Wrenches

No-Reset Adjustable Torque Wrenches

Unlike other wrenches, you don't need to reset torque between uses

Changeable-Head Torque Wrenches

Changeable-Head Torque Wrenches

Swap square-drive, open-end, box, and hex-key heads

Air-Powered Torque Wrenches

Air-Powered Torque Wrenches

Use air power to quickly tighten many fasteners without exceeding your maximum torque

Electrical Insulating Adjustable Torque Wrenches

Electrical Insulating Adjustable Torque Wrenches

Insulation protects against accidental contact with live circuits

Sealed-Head Quick-Release Adjustable Torque Wrenches

Sealed-Head Quick-Release Adjustable Torque Wrenches

Swap sockets with the push of a button while a gasket keeps lubrication in and contaminants out

High-Accuracy Dial Torque-Measuring Wrenches

High-Accuracy Dial Torque-Measuring Wrenches

Two pointers rotate to show applied torque and maximum torque reached with ±1% accuracy

Cordless Torque Wrenches

Cordless Torque Wrenches

No cords or hoses to tie you down, automatically tighten to your desired torque in tight spaces

Sealed-Head Adjustable Torque Wrenches

Sealed-Head Adjustable Torque Wrenches

A gasket keeps lubrication in and contaminants out to extend tool life

Other Products

Socket Adapters

Socket Adapters

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

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

Impact Wrenches

Impact Wrenches

Maximize torque to break frozen bolts free and drive fasteners more quickly than other wrenches

Impact Wrench Chucks

Impact Wrench Chucks

Harness torque to cut and prepare holes faster than any other method

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