McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

in.-lbs.

in.-oz.

	Square Drive Size Square Drive Size

	Size Size

	Socket Type Socket Type


Socket	Extension

Flex Adapter	Hex Shank to Square Drive Adapter

Quick-Change Adapter	Secure-Hold Extension

Square Drive Size Adapter	Torque- Limiting Adapter

	Bolt Clearance Style Bolt Clearance Style


Deep	Standard

Extra Deep

	Socket Shape Socket Shape


4-Point	6-Point	8-Point

12-Point	Torx

	Drive Type Drive Type

Impact

Nonimpact Power

	Socket Style Socket Style


Standard	Bit

Flex

	For Drive Style For Drive Style


External Hex	Hex	External 12-Point

External 8-Point	External Square	External Torx

Phillips	Slotted	Torx

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

	Finish Finish

Black

Painted

	Material Material

Steel

Beryllium Copper

	OD OD

	Compatible Retaining Ring ID Compatible Retaining Ring ID

	Maximum Torque Maximum Torque

	Bit Replaceable Bit Replaceable

Yes

	Power Source Power Source

	Socket Retainer Style Socket Retainer Style

	Container Type Container Type

	Number of Pieces Number of Pieces

	For Bit Hex Shank Size For Bit Hex Shank Size

1/4"

5/16"

	Maximum Working Torque Maximum Working Torque

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1,134 Products

Impact Sockets

6-Point Impact Sockets

Achieve the best possible grip on hex fasteners and prevent rounding.

Fastener-Holding
6-Point Impact Sockets

A magnet holds the fastener securely enough to drive self-tapping screws.

Nonmarring 6-Point Impact Sockets

Tighten or loosen nuts and bolts without damaging the finish.

Thin-Wall 6-Point Impact Sockets

With a smaller OD than standard sockets, these fit between tightly spaced fasteners.

Extra-Deep 6-Point Impact Sockets

Extra length allows access to fasteners on long bolts.

6-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

12-Point Impact Sockets

The 12-point shape quickly positions on hex fasteners.

Nonsparking 12-Point Impact Sockets

Made of beryllium copper, these sockets satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

8-Point Impact Sockets

Quickly position these sockets on square fasteners.

External Torx Impact Sockets

4-Point Impact Sockets

The square shape provides the best possible grip on square fasteners and prevents rounding.

Extra-Deep 8-Point Impact Sockets

Extra length allows access to fasteners on long bolts.

Impact Bit Sockets

Impact Hex Bit Sockets

Impact Torx Bit Sockets

Budd Wheel Impact Sockets

Designed to remove and install dual wheels on trucks and trailers, these sockets have a hex recess for accessing lug nuts and a square recess to turn the threaded shafts found on inner wheels.

Impact Socket Sets

6-Point Impact Socket Sets

The hex shape grips hex fasteners and prevents rounding. These sockets are made to withstand the high torque and force of impact tools.

6-Point Flex Impact Socket Sets

Pivot the head to access fasteners from an angle.

External Torx Impact Socket Sets

These sockets are made to withstand the high torque and force of impact tools.

Impact Hex Bit Socket Sets

Use these sockets as an alternative to a screwdriver or L-key. They are made to withstand the high torque and force of impact tools.

Impact Socket Extension Sets

Attach to your socket for a longer reach.

Impact Square Drive
Size Adapter Sets

Convert from one square drive size to another.

Impact Torque-Limiting
Socket Adapter Sets

Prevent overtightening that can damage fasteners. These adapters spring back slightly when the set torque is reached.

Secure-Hold Impact
Socket Extension Sets

Lock your socket into the extension to prevent accidental disengagement.

Ratchet Wrenches and Handles

Impact Wrenches

Also known as impact drivers, use these tools with impact sockets to break frozen bolts and screws free. Strike with a hammer to tighten and loosen fasteners.

Heavy Duty Air-Powered
Impact Wrenches

Built for durability, these high-performance tools handle the demands of high-volume production and tough maintenance applications.

Standard Duty Air-Powered
Impact Wrenches

Use these wrenches for medium-volume production, general maintenance, and construction applications.

Light Duty Air-Powered
Impact Wrenches

These tools are suitable for general shop, maintenance, and automotive work.

Torque-Limiting
Air-Powered Wrenches

Set torque and the wrench will prevent you from exceeding it. These are also known as nutrunners.

Electric Impact Wrenches

Cordless Impact Wrenches

Socket Adapters and Extensions

Hex Shank to Power Socket
Square Drive and Impact
Square Drive Adapters

Use sockets with tools that accept hex shanks, such as impact drivers and power drills.

Secure-Hold Impact
Socket Extensions

Lock your socket into the extension to prevent accidental disengagement.

Impact Magnetic Square
Drive Size Adapters

A magnet holds the socket, making changes quicker.

Impact Flex Socket Adapters

Pivot the head to access fasteners from an angle.

Impact Quick-Change
Socket Adapters

Pull the collar to quickly attach and remove sockets.

Impact Socket Extensions

Attach to your socket for a longer reach.

Impact Torque-Limiting
Socket Adapters

Prevent overtightening that can damage fasteners. These adapters spring back slightly when the set torque is reached.

Impact Square Drive Size Adapters

Convert from one square drive size to another.

Drivers, Keys, and Bits

Square Drive
Torque-Measuring Screwdrivers

Attach a socket to the 1/4" square drive tip. These tools have a dial that shows how torque measurements change as you turn the driver. Use to fasten to a specific torque, determine fastener torque specifications, and identify the torque required to loosen tightened fasteners.

Secure-Hold Bit Adapters
for Ratchet Wrenches

Lock your bit into the adapter to prevent accidental disengagement. These adapters attach to square-drive tools.

Square-Drive Torque Screwdrivers

Attach a socket to the 1/4" square drive tip to turn hex nuts and hex head screws. When set torque is reached, these drivers signal with an audible click.

Cordless Impact Drivers

These powerful tools hammer as they rotate to drive screws quickly, even through thick or dense material. Rechargeable batteries provide power wherever you need it.

Bit Adapters for Ratchet Wrenches

Attach these adapters to square-drive tools.

Changeable-Shaft Factory-Set
Torque Screwdrivers

Choose a handle based on torque and change shafts to use a different size or drive style. Factory-set screwdrivers ensure you reach the same torque every time.

Bit Adapters for Impact Wrenches

Designed to withstand high torque and force, these adapters fit the square drive on impact wrenches. Use with hex-shank bits (also known as insert bits).

Impact Screwdrivers

Break stuck screws free using screwdriver bits. Strike the end of the handle with a hammer to turn the bit and tighten or loosen fasteners.

Terms and Conditions and Privacy Policy

Impact Sockets

6-Point Impact Sockets

Fastener-Holding6-Point Impact Sockets

Nonmarring 6-Point Impact Sockets

Thin-Wall 6-Point Impact Sockets

Extra-Deep 6-Point Impact Sockets

6-Point Flex Impact Sockets

12-Point Impact Sockets

Nonsparking 12-Point Impact Sockets

12-Point Flex Impact Sockets

8-Point Impact Sockets

External Torx Impact Sockets

4-Point Impact Sockets

Extra-Deep 8-Point Impact Sockets

Impact Bit Sockets

Impact Hex Bit Sockets

Impact Torx Bit Sockets

Budd Wheel Impact Sockets

Budd Wheel Impact Sockets

Impact Socket Sets

6-Point Impact Socket Sets

6-Point Flex Impact Socket Sets

External Torx Impact Socket Sets

Impact Hex Bit Socket Sets

Impact Socket Extension Sets

Impact Square DriveSize Adapter Sets

Impact Torque-LimitingSocket Adapter Sets

Secure-Hold ImpactSocket Extension Sets

Ratchet Wrenches and Handles

Impact Wrenches

Heavy Duty Air-PoweredImpact Wrenches

Standard Duty Air-PoweredImpact Wrenches

Light Duty Air-PoweredImpact Wrenches

Torque-LimitingAir-Powered Wrenches

Electric Impact Wrenches

Cordless Impact Wrenches

Socket Adapters and Extensions

Hex Shank to Power SocketSquare Drive and Impact Square Drive Adapters

Secure-Hold ImpactSocket Extensions

Impact Magnetic SquareDrive Size Adapters

Impact Flex Socket Adapters

Impact Quick-ChangeSocket Adapters

Impact Socket Extensions

Impact Torque-LimitingSocket Adapters

Impact Square Drive Size Adapters

Drivers, Keys, and Bits

Square DriveTorque-Measuring Screwdrivers

Secure-Hold Bit Adaptersfor Ratchet Wrenches

Square-Drive Torque Screwdrivers

Cordless Impact Drivers

Bit Adapters for Ratchet Wrenches

Changeable-Shaft Factory-SetTorque Screwdrivers

Bit Adapters for Impact Wrenches

Impact Screwdrivers

Fastener-Holding
6-Point Impact Sockets

Impact Square Drive
Size Adapter Sets

Impact Torque-Limiting
Socket Adapter Sets

Secure-Hold Impact
Socket Extension Sets

Heavy Duty Air-Powered
Impact Wrenches

Standard Duty Air-Powered
Impact Wrenches

Light Duty Air-Powered
Impact Wrenches

Torque-Limiting
Air-Powered Wrenches

Hex Shank to Power Socket
Square Drive and Impact
Square Drive Adapters

Secure-Hold Impact
Socket Extensions

Impact Magnetic Square
Drive Size Adapters

Impact Quick-Change
Socket Adapters

Impact Torque-Limiting
Socket Adapters

Square Drive
Torque-Measuring Screwdrivers

Secure-Hold Bit Adapters
for Ratchet Wrenches

Changeable-Shaft Factory-Set
Torque Screwdrivers