Square Drive Socket Wrenches | McMaster-Carr

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Square Drive Size

System of Measurement

Drive Size

Torque

0 in·ozf to 8 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·lbf to 10 in·lbf

0 in·lbf to 12 in·lbf

0 in·lbf to 24 in·lbf

0 in·lbf to 30 in·lbf

0 in·lbf to 15 in·lbf

0 in·lbf to 25 in·lbf

0 in·lbf to 50 in·lbf

0 in·lbf to 75 in·lbf

0 in·lbf to 80 in·lbf

0 in·lbf to 100 in·lbf

0 in·lbf to 150 in·lbf

0 in·lbf to 200 in·lbf

Unit of Measure

Head Style

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Ratcheting

Bolt Clearance Type

Socket Shape

Rounded 4-Point

Maximum Torque

Less than 1,000 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf to 2,999 ft·lbf

3,000 ft·lbf to 3,999 ft·lbf

4,000 ft·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

Wrench Style

Sold As

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Material

Beryllium Copper

Stainless Steel

OD

Torque-Limiting Direction

Clockwise and Counterclockwise

Torque Setting

Socket Type

Air Hammer Adapter

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Ratchet Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

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

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

4,412 Products

Torque Wrenches

Adjustable Torque Wrenches

Adjustable Torque Wrenches

Set your desired torque within the range

Dial Torque-Measuring Wrenches

Dial Torque-Measuring Wrenches

Two pointers rotate to show applied torque and maximum torque reached

Quick-Release Adjustable Torque Wrenches

Quick-Release Adjustable Torque Wrenches

Instead of pulling off the socket, just push a button

Click Factory-Set Torque Wrenches

Click Factory-Set Torque Wrenches

Apply the same torque every time without setup

Slip-Release Factory-Set Torque Wrenches

Slip-Release Factory-Set Torque Wrenches

Automatically disengage when the set torque is reached to prevent overtightening

Torque-Measuring Wrenches

Torque-Measuring Wrenches

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

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

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

Flex-Head Adjustable Torque Wrenches

Flex-Head Adjustable Torque Wrenches

The head pivots to access fasteners in tight spots

No-Reset Adjustable Torque Wrenches

No-Reset Adjustable Torque Wrenches

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

Nonsparking Torque Wrenches

Nonsparking Torque Wrenches

Use in areas with flammable and combustible vapors

Changeable-Head Torque Wrenches

Changeable-Head Torque Wrenches

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

Sealed-Head Adjustable Torque Wrenches

Sealed-Head Adjustable Torque Wrenches

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

Electrical Insulating Adjustable Torque Wrenches

Electrical Insulating Adjustable Torque Wrenches

Insulation protects against accidental contact with live circuits

Air-Powered Torque Wrenches

Air-Powered Torque Wrenches

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

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

Cordless Torque Wrenches

Cordless Torque Wrenches

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

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

Dual-Dial Torque-Measuring Wrenches

Dual-Dial Torque-Measuring Wrenches

Two pointers rotate to show applied torque and maximum torque reached on both sides

Hydraulic Torque Wrenches

Hydraulic Torque Wrenches

Apply high-powered torque when you don't have access to an air compressor

Other Products

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Socket Adapters

Socket Adapters

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

Impact Wrenches

Impact Wrenches

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

Wrench Handles

Generate extra torque to loosen stubborn fasteners; also known as breaker bars

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Torque Multipliers

Torque Multipliers

Pair with a torque wrench to amplify torque while staying within a specific range

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

Switch between sockets and bits to turn a variety of fasteners with a single tool

Socket Drivers

Tighten and loosen sockets from above when there isn't room to swing a standard wrench

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Drum Plug Sockets

Drum Plug Sockets

Turn with a ratchet wrench to install and remove screw-in drum plugs

Hot Stick Heads

Hot Stick Heads

Swap out the head on your hot stick to operate switches, pull cotter pins, and more

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Torque Screwdriver Shafts

Torque Screwdriver Shafts

Pair with a handle to create a custom torque screwdriver

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

Box Wrenches

Grip all sides of a fastener to prevent slipping

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

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