1/4" Square Drive Sockets | McMaster-Carr

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System of Measurement

Drive Size

Square Drive Size

Bolt Clearance Type

Socket Shape

Drive Style

External 12-Point

External Square

External Torx Plus

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

OD

Sold As

Socket Style

Overall Length

31/32" to 3 1/16"

Socket Type

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Square Drive Size Adapter

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Length

31/32" to 3 1/16"

Tip Style

Drive Type

Material

Number of Pieces

Specifications Met

RoHS

Shank Type

Quick-Change Hex

Nut Diameter

Wrench Style

DFARS Specialty Metals

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

REACH

Export Control Classification Number (ECCN)

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887 Products

Sockets

Sockets

6-Point Sockets

6-Point Sockets

Get the tightest grip possible on hex fasteners to prevent rounding their points

12-Point Sockets

12-Point Sockets

Grip hex fasteners quickly

Fastener-Holding 6-Point Sockets

Fastener-Holding 6-Point Sockets

Hold fasteners securely in place as you drive them in

6-Point Flex Sockets

6-Point Flex Sockets

Pivot the head to access hex fasteners from an angle

8-Point Sockets

8-Point Sockets

Quickly position these sockets on square and external 8-point fasteners

External Torx-Plus Sockets

External Torx-Plus Sockets

Grasp external Torx-Plus fasteners using squared lobes that resist slipping

12-Point Flex Sockets

12-Point Flex Sockets

Pivot the head to access fasteners from an angle and the 12-point shape quickly grips them

External Torx Sockets

External Torx Sockets

Tighten and loosen fasteners with an external Torx drive

Tri-Groove Sockets

Tri-Groove Sockets

Grip the indentations around the outside of tri-groove fasteners

Impact Sockets

6-Point Impact Sockets

6-Point Impact Sockets

Achieve the tightest grip on hex fasteners and prevent rounding

External Torx Impact Sockets

External Torx Impact Sockets

Tighten and loosen fasteners with an external Torx drive

12-Point Flex Impact Sockets

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle

Fastener-Holding 6-Point Impact Sockets

Fastener-Holding 6-Point Impact Sockets

A magnet holds fasteners securely enough to drive self-tapping screws

Socket Sets

6-Point Socket Sets

6-Point Socket Sets

Made in the U.S.A., these tools handle the toughest industrial applications

Economy 6-Point Socket Sets

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported

External Torx-Plus Socket Sets

External Torx-Plus Socket Sets

Securely grip external Torx-Plus fasteners at high torque

Economy 12-Point Socket Sets

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these are imported; 12 points quickly grip hex fasteners

External Torx Socket Sets

External Torx Socket Sets

Tighten and loosen fasteners with an external Torx drive

Tri-Groove Socket Sets

Tri-Groove Socket Sets

Grip the indentations around the outside of tri-groove fasteners

12-Point Socket Sets

12-Point Socket Sets

Made in the U.S.A., 12 points quickly grip hex fasteners in the toughest industrial applications

Fastener-Holding 6-Point Socket Sets

Fastener-Holding 6-Point Socket Sets

Keep nuts and bolts in place as you turn them using two spring-loaded balls

Continuous-Duty Sockets

Continuous-Duty Fastener-Holding 6-Point Sockets

Continuous-Duty Fastener-Holding 6-Point Sockets

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

Continuous-Duty 6-Point Sockets

Continuous-Duty 6-Point Sockets

Use in high-volume jobs when you need hardened steel to resist cracking and wear

Impact Socket Sets

External Torx Impact Socket Sets

External Torx Impact Socket Sets

Tighten and loosen fasteners with an external Torx drive

6-Point Impact Socket Sets

6-Point Impact Socket Sets

The hex shape grips hex fasteners and prevents rounding

Other Products

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

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

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

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

Bit Adapters

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

Socket Drivers

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Socket Organizers

Socket Organizers

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

Wrench Handles

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Impact Wrenches

Impact Wrenches

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

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

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