Socket Head Adapters | McMaster-Carr

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System of Measurement

Square Drive Size

Drive Size

Drive Style

External 12-Point

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 1 11/16"

Socket Style

Sold As

Socket Type

Air Hammer Adapter

Dual-Drive Socket 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

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Tip Style

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 1 11/16"

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Drive Type

Socket Shape

Bolt Clearance Type

Head Style

Socket Retainer Style

Shank Type

Quick-Change Hex

Material

Aluminum Bronze

Head Shape

Wrench Style

Number of Pieces

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

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

1,804 Products

Fastening and Joining

Bit Sockets

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

Socket Adapters

Socket Adapters

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

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

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

Switch between sockets and bits to turn a variety of fasteners with a single tool

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

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.)