3/4" Square Drive Ratchets | McMaster-Carr

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System of Measurement

Square Drive Size

Overall Length

Drive Size

Head Style

Length

Head Shape

Finish

Magnesium Phosphate Coated

Wrench Style

Socket Shape

Rounded 4-Point

Material

Aluminum Bronze

Polyurethane Plastic

Turn Required to Ratchet

Ratcheting

Bolt Clearance Type

OD

Drive Style

External 8-Point

External 12-Point

External Octagon

External Rounded Square

External Square

Power Source

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

Wrench Grade

Wrench Type

Torque

0 ft·lbf to 350 ft·lbf

0 ft·lbf to 450 ft·lbf

0 ft·lbf to 600 ft·lbf

0 ft·lbf to 780 ft·lbf

0 ft·lbf to 1,200 ft·lbf

30 ft·lbf to 600 ft·lbf

375 in·lbf to 7,521 in·lbf

31.3 ft·lbf to 626 ft·lbf

60 ft·lbf to 600 ft·lbf

80 ft·lbf to 400 ft·lbf

100 ft·lbf to 600 ft·lbf

110 ft·lbf to 495 ft·lbf

118 ft·lbf to 590 ft·lbf

120 ft·lbf to 600 ft·lbf

130 ft·lbf to 400 ft·lbf

163 ft·lbf to 1,444 ft·lbf

200 ft·lbf to 600 ft·lbf

200 ft·lbf to 750 ft·lbf

Socket Type

Quick-Change Adapter

Ratchet Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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482 Products

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Ratchet Wrenches

Ratchet Wrenches

Ratchet Wrenches

Turn fasteners without removing and repositioning the wrench

Replaceable-Head Ratchet Wrenches

Replaceable-Head Ratchet Wrenches

When the head becomes worn or damaged, change it out for a new one

Quick-Release Ratchet Wrenches

Quick-Release Ratchet Wrenches

Push a button to release the socket from the wrench

Adjustable-Length Ratchet Wrenches

Adjustable-Length Ratchet Wrenches

The shaft extends and locks for further reach

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

Nonsparking Ratchet Wrenches

Nonsparking Ratchet Wrenches

Made of aluminum-bronze that won't generate sparks in hazardous locations

Other Products

Socket Adapters

Socket Adapters

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

Sockets

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

Wrench Handles

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Bit Sockets

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

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

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