Wrench Adapters | McMaster-Carr

	Socket Type Socket Type


Square Drive Size Adapter	Socket

Hex Head Adapter	Hex Shank to Square Drive Adapter

Flex Adapter	Extension

Torque- Limiting Adapter	Ratchet Adapter

Secure-Hold Extension	Quick-Change Adapter

Secure-Hold Socket Adapter	Torque-and- Angle Measuring Adapter

	System of Measurement System of Measurement

	Square Drive Size Square Drive Size

	Finish Finish

Magnesium Phosphate
Coated

Plastic Coated

	Material Material

Steel

Aluminum-Bronze

Porcelain

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

	Drive Type Drive Type

Manual

Impact

Nonimpact Power

	Square Drive Gender Square Drive Gender

Female

Male

	Number of Pieces Number of Pieces

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Size Size

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	For Drive Style For Drive Style


External Hex	External 12- Point

	Socket Style Socket Style


Offset	Standard

	Hex Shank Size Hex Shank Size

1/4"

7/16"

5/8"

	Container Type Container Type

Plastic Roll-Up Pouch

	Shank Type Shank Type

Quick-Change Hex

Hex

	Socket Retainer Style Socket Retainer Style

Ball Detent

	Torque Setting Torque Setting

	Color Color

	Black		Blue
	Yellow		Gray
	Green		Red
	Turquoise		White
	Silver

	Torque Adjustability Torque Adjustability

279 Products

Socket Adapters and Extensions

Square Drive Size Adapters

Convert from one square drive size to another.

Convertible Square Drive Size Adapters

Push the square drive through the adapter to change size.

Electrical-Insulating Square Drive Size Adapters

These adapters are insulated to protect against accidental contact with live electrical circuits. They are tested to 1,000 volts to meet IEC 60900.

Hex Head Socket Adapter Sets

Attach one of these adapters to a socket to turn it with an open-end or box wrench.

Hex Shank to Square Drive Adapters

Turn sockets with a bit screwdriver.

Angled Hex Shank to Square Drive Adapters

The angled shape lets you use your bit driver like a wrench.

Socket Extensions

Extend your socket's reach.

Nonsparking Socket Extensions

Made of aluminum-bronze, these extensions satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Electrical-Insulating Socket Extensions

Insulated to protect against accidental contact with live electrical circuits, these extensions are tested to 1,000 volts to meet IEC 60900.

Flexible Socket Extensions

Bend these extensions around obstructions to turn hard-to-reach fasteners.

Secure-Hold Socket Extensions

Lock your socket into the extension to prevent accidental disengagement.

Wobble Socket Extensions

The square drive has a rounded shape that allows the extension to pivot inside the socket opening and turn it from an angle.

Flex Socket Adapters

Pivot the head to access fasteners from an angle.

Ratcheting Socket Adapters

Change a standard wrench handle into a ratcheting wrench.

Adjustable Torque-Limiting Socket Adapters

Set a desired torque within the range.

Factory-Set Torque-Limiting Socket Adapters

Adapters are set to a specific torque and cannot be adjusted.

Torque-and-Angle Measuring Socket Adapters

A digital display shows how torque measurements change as you turn the wrench. Set the desired torque and angle—lights and an audible alarm indicate when target has been reached or exceeded.

Secure-Hold Socket Adapters

Lock the adapter on your tool and the socket to the adapter to prevent accidental disengagement.

Impact Socket Adapters and Extensions

Impact Square Drive Size Adapters

Convert from one square drive size to another.

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 Torque-Limiting Socket Adapters

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

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.

Secure-Hold Impact Socket Extensions

Lock your socket into the extension to prevent accidental disengagement.

Power 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.

Flexible Power Socket Extensions

Bend these extensions around obstructions to access hard-to-reach fasteners.

Socket Sets

Box-End Tight-Clearance Offset Socket Sets

Make maximum contact on all sides of a fastener to reduce slipping. These sockets are also known as torque adapters.

Ratcheting Box-End Tight-Clearance Offset Socket Sets

A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket.

Square Drive Size Adapter Sets

Convert from one square drive size to another.

Secure-Hold Socket Extension Sets

Lock your socket into the extension to prevent accidental disengagement..

Socket Extension Sets

Attach to your socket for a longer reach.

Impact Socket Sets

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.

Impact Socket Extension Sets

Attach to your socket for a longer reach.

Secure-Hold Impact Socket Extension Sets

Lock your socket into the extension to prevent accidental disengagement.

Sockets

Ratcheting Box-End Tight-Clearance Offset Sockets

A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket.

Box-End Tight-Clearance Offset Sockets

Make maximum contact with all sides of a fastener to reduce slipping. These sockets are also known as torque adapters.

Nonmarring 6-Point Sockets

With a plastic insert, these sockets firmly grip hex nuts and bolts without rounding them or scratching highly polished finishes.

Nonmarring 6-Point Impact Sockets

Tighten or loosen nuts and bolts without damaging the finish.

Ratchet Wrenches

A ratchet mechanism allows you to turn fasteners without removing and repositioning the wrench.

Bit Adapters

Secure-Hold Bit Adapters for Ratchet Wrenches

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

Bit Adapters for Ratchet Wrenches

Attach these adapters to square-drive tools.

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).

Light Socket Adapters

Medium Screw-In Socket Adapters
for Candelabra Screw-In Sockets

Convert a fixture that uses candelabra-base bulbs to accept medium-base bulbs with these adapters.

Twist-and-Lock Socket Adapters
for Medium Screw-In Sockets

Convert a fixture that uses medium-base bulbs to accept GU24 bi-pin base bulbs with these adapters.

Light Socket Extenders

Use these extenders when bulbs are too short to fit into deep or recessed fixtures.

Socket Adapters and Extensions

Square Drive Size Adapters

Convertible Square Drive Size Adapters

Electrical-Insulating Square Drive Size Adapters

Hex Head Socket Adapter Sets

Hex Shank to Square Drive Adapters

Angled Hex Shank to Square Drive Adapters

Socket Extensions

Nonsparking Socket Extensions

Electrical-Insulating Socket Extensions

Flexible Socket Extensions

Secure-Hold Socket Extensions

Wobble Socket Extensions

Flex Socket Adapters

Ratcheting Socket Adapters

Adjustable Torque-Limiting Socket Adapters

Factory-Set Torque-Limiting Socket Adapters

Torque-and-Angle Measuring Socket Adapters

Secure-Hold Socket Adapters

Impact Socket Adapters and Extensions

Impact Square Drive Size Adapters

Impact Magnetic Square Drive Size Adapters

Impact Flex Socket Adapters

Impact Torque-Limiting Socket Adapters

Impact Quick-Change Socket Adapters

Impact Socket Extensions

Secure-Hold Impact Socket Extensions

Power Socket Adapters and Extensions

Hex Shank to Power Socket SquareDrive and Impact Square Drive Adapters

Flexible Power Socket Extensions

Socket Sets

Box-End Tight-Clearance Offset Socket Sets

Ratcheting Box-End Tight-Clearance Offset Socket Sets

Square Drive Size Adapter Sets

Secure-Hold Socket Extension Sets

Socket Extension Sets

Impact Socket Sets

Impact Square Drive Size Adapter Sets

Impact Torque-Limiting Socket Adapter Sets

Impact Socket Extension Sets

Secure-Hold Impact Socket Extension Sets

Sockets

Ratcheting Box-End Tight-Clearance Offset Sockets

Box-End Tight-Clearance Offset Sockets

Nonmarring 6-Point Sockets

Nonmarring 6-Point Impact Sockets

Ratchet Wrenches

Ratchet Wrenches

Bit Adapters

Secure-Hold Bit Adapters for Ratchet Wrenches

Bit Adapters for Ratchet Wrenches

Bit Adapters for Impact Wrenches

Light Socket Adapters

Medium Screw-In Socket Adaptersfor Candelabra Screw-In Sockets

Twist-and-Lock Socket Adaptersfor Medium Screw-In Sockets

Light Socket Extenders

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

Medium Screw-In Socket Adapters
for Candelabra Screw-In Sockets

Twist-and-Lock Socket Adapters
for Medium Screw-In Sockets