Square Drive Socket Wrenches | McMaster-Carr

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Square Drive Size

System of Measurement

Drive Size

Bolt Clearance Type

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Socket Shape

Rounded 4-Point

Socket Style

OD

Head Style

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Sold As

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

Drive Type

Wrench Style

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Head Shape

Tip Style

DFARS Specialty Metals

Wrench Opening Shape

12-Point Sure Grip

Export Control Classification Number (ECCN)

Ratcheting or Nonratcheting

RoHS

REACH

Turn Required to Ratchet

Number of Pieces

How can we improve?

4,181 Products

Fastening and Joining

Sockets

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Bit Sockets

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

Wrench Heads

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

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 Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Socket Adapters

Socket Adapters

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Socket Drivers

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Impact Wrenches

Impact Wrenches

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

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Box Wrenches

Grip all sides of a fastener to prevent slipping

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

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

Torque Multipliers

Torque Multipliers

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

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Impact Drivers

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

Screwdrivers

Tighten and loosen screws

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

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

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.)