1/4" Square Drive Ratchets | McMaster-Carr

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System of Measurement

Square Drive Size

Head Shape

Head Style

Overall Length

31/32" to 3 1/16"

Drive Size

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Turn Required to Ratchet

Wrench Style

Length

31/32" to 3 1/16"

Drive Style

External 12-Point

External Square

External Torx Plus

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Material

Power Source

Bolt Clearance Type

Ratcheting

Sold As

OD

Socket Shape

Number of Heads

Wrench Opening Shape

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

Export Control Classification Number (ECCN)

RoHS

REACH

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

DFARS Specialty Metals

How can we improve?

861 Products

Ratchet Wrenches

Ratchet Wrenches

Ratchet Wrenches

Turn fasteners without removing and repositioning the wrench

Sealed-Head Ratchet Wrenches

Sealed-Head Ratchet Wrenches

A gasket seals lubrication in and keeps dirt, dust, and moisture out

Sealed-Head Quick-Release Ratchet Wrenches

Sealed-Head Quick-Release Ratchet Wrenches

A gasket protects against debris and a button releases the socket

Quick-Release Ratchet Wrenches

Quick-Release Ratchet Wrenches

Push a button to release the socket from the wrench

Tight-Clearance Ratchet Wrenches

Tight-Clearance Ratchet Wrenches

Rollers silently engage the ratchet to work in the tightest of spaces

Fingertip Ratchet Wrenches

Fingertip Ratchet Wrenches

Feel resistance in your fingers to prevent overtightening

Flex-Head Ratchet Wrenches

Flex-Head Ratchet Wrenches

The head pivots 180° to reach fasteners in tight spots

Swivel-Head Ratchet Wrenches

Swivel-Head Ratchet Wrenches

The head swivels for more flexibility than flex-head ratchets

Cordless Ratchet Wrenches

Cordless Ratchet Wrenches

The motor stops when the fastener is tight

Dual-Size Ratchet Wrenches

Dual-Size Ratchet Wrenches

Flip between 1/4″ and 3/8″ drive-size sockets without switching out your wrench

Foreign Object Damage (FOD) Prevention Ratchet Wrenches

Foreign Object Damage (FOD) Prevention Ratchet Wrenches

There are no internal screws or small parts that can fall into equipment

Air-Powered Ratchet Wrenches

Air-Powered Ratchet Wrenches

Run on air to turn fasteners quicker than manual ratchet wrenches

Quick-Release Flex-Head Ratchet Wrenches

Quick-Release Flex-Head Ratchet Wrenches

The head pivots to reach tight spots and a button releases the socket

Adjustable-Length Ratchet Wrenches

Adjustable-Length Ratchet Wrenches

The shaft extends and locks for further reach

Sealed-Head Ratchet Wrenches with Tether Ring

Sealed-Head Ratchet Wrenches with Tether Ring

Hook to a carabiner or lanyard to prevent drops

Adjustable-Length Quick-Release Ratchet Wrenches

Adjustable-Length Quick-Release Ratchet Wrenches

Extend the length and lock in place at set increments for more reach

Sealed Flex-Head Ratchet Wrenches

Sealed Flex-Head Ratchet Wrenches

The head pivots to access tight places and the gasket keeps out debris

Adjustable-Length Quick-Release Flex-Head Ratchet Wrenches

Adjustable-Length Quick-Release Flex-Head Ratchet Wrenches

Pivot the head and extend the handle to reach fasteners in challenging spots

Twist-Handle Ratchet Wrenches

Twist-Handle Ratchet Wrenches

Rotate the grip to tighten a socket

Sealed-Head Air-Powered Ratchet Wrenches

Sealed-Head Air-Powered Ratchet Wrenches

The enclosed steel head seals lubrication in and keeps dirt, dust, and moisture out

Adjustable-Length Flex-Head Ratchet Wrenches

Adjustable-Length Flex-Head Ratchet Wrenches

The handle extends and the head pivots to access fasteners in hard-to-reach spots

Other Products

Sockets

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

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific 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

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

Wrench Heads

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

Bit Adapters

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

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Impact Wrenches

Impact Wrenches

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

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