1/2" Square Drive Size Extensions | McMaster-Carr

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System of Measurement

Square Drive Size

Overall Length

Socket Type

Air Hammer Adapter

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Ratchet Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Finish

Magnesium Phosphate Coated

Drive Type

Drive Size

Sold As

Square Drive Gender

Material

Aluminum Bronze

Length

Drive Style

External 12-Point

Bolt Clearance Type

Socket Retainer Style

Socket Shape

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

REACH

Socket Style

Shank Type

Quick-Change Hex

Number of Pieces

OD

Hex Shank Size

Color

Container Type

Metal Clip Rail

Plastic Clip Rail

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185 Products

Fastening and Joining

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

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

Bit Adapters

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

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