3/4" Square Drive Ratchets | McMaster-Carr

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System of Measurement

Square Drive Size

Overall Length

Head Shape

Drive Size

Head Style

Wrench Style

Finish

Magnesium Phosphate Coated

Socket Shape

Rounded 4-Point

Material

Aluminum Bronze

Turn Required to Ratchet

Bolt Clearance Type

Length

Ratcheting

OD

Maximum Torque

Less than 1,000 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf to 2,999 ft·lbf

250 N-m to 499 N-m

500 N-m to 999 N-m

1,000 N-m or greater

Sold As

Drive Style

External 8-Point

External 12-Point

External Octagon

External Rounded Square

External Square

Power Source

Socket Type

Quick-Change Adapter

Ratchet Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Wrench Type

Drive Type

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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486 Products

Fastening and Joining

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific 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

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

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.)