1/2" Square Drive Wrenches | McMaster-Carr

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15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 2 1/4"

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Air Hammer Adapter

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How can we improve?

1,234 Products

Fastening and Joining

Sockets

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

Socket Adapters

Socket Adapters

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

Wrench Handles

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Wrench Heads

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

Bit Sockets

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

Spanner Wrenches

Spanner Wrenches

Grab onto holes and slots to turn collars, bearings, and other machine tool components

Strap Wrenches

Grip plastic and high-polished pipe, tubing, hand wheels, and filters without marring the surface

Impact Wrenches

Impact Wrenches

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

Chain Wrenches

Grasp and twist pipe, tubing, and conduit, as well as irregularly shaped objects

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

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

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

Impact Drivers

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

Containers, Storage, and Furniture

Socket Organizers

Socket Organizers

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

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