3/4" Square Drive Wrenches | McMaster-Carr

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System of Measurement

Square Drive Size

Drive Size

Socket Shape

Rounded 4-Point

Bolt Clearance Type

OD

1 1/2" to 7 1/2"

Overall Length

Drive Style

External 8-Point

External 12-Point

External Octagon

External Rounded Square

External Square

Drive Type

Socket Type

Quick-Change Adapter

Ratchet Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Socket Style

Sold As

Length

Finish

Magnesium Phosphate Coated

Material

Aluminum Bronze

REACH

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

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Thread Size

Nut Clearance Depth

Bolt Clearance Depth

Head Style

Nut Diameter

Torque

0 ft·lbf to 350 ft·lbf

0 ft·lbf to 380 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

How can we improve?

471 Products

Fastening and Joining

Sockets

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

Socket Adapters

Socket Adapters

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

Wrench Handles

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

Chain Wrenches

Grasp and twist pipe, tubing, and conduit, as well as irregularly shaped objects

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 Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Impact Wrenches

Impact Wrenches

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

Spanner Wrenches

Spanner Wrenches

Grab onto holes and slots to turn collars, bearings, and other machine tool components

Bit Sockets

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

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.)