1" Square Drive Sockets | McMaster-Carr

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System of Measurement

Drive Size

Square Drive Size

Socket Shape

Bolt Clearance Type

OD

Drive Style

External 12-Point

External Square

Drive Type

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Overall Length

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Quick-Change Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

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Finish

Magnesium Phosphate Coated

Phosphate Coated

Zinc Phosphate Coated

Material

Polyurethane Plastic

Length

Thread Size

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

Nut Clearance Depth

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Bolt Clearance Depth

Compatible Retaining Ring ID

Number of Pieces

ID

1 3/4" to 2 5/8"

How can we improve?

322 Products

Fastening and Joining

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 Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Socket Adapters

Socket Adapters

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

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

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.)