Extension Sockets | McMaster-Carr

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Square Drive Size

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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

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Finish

Magnesium Phosphate Coated

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Material

Aluminum Bronze

Drive Style

NEMA Type

Square Drive Gender

Socket Retainer Style

Shank Type

Quick-Change Hex

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Fluorescent Blue

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Compliant with Exemptions

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DFARS Specialty Metals

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SAE Power Connector

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How can we improve?

1,054 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

Socket Bits

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

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

Electrical

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Outlet Strips

Plug in multiple devices to power them from a single outlet

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Power Adapters

NEMA connection adapters, outlet adapters, and outlet splitters

Raceway and Raceway Fittings

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

Fabricating and Machining

Drill Chuck Arbor Adapters

Drill Chuck Arbor Adapters

Convert your Morse taper arbor to fit machine spindles that are too small or large

Drill Chuck Arbor Extensions

Drill Chuck Arbor Extensions

Lengthen the reach of your drill chuck arbor

Material Handling

Valve Stem Extensions

Valve Stem Extensions

Add length to the stem of tire valves

Lighting

Light Socket Adapters

Light Socket Adapters

Convert light fixtures to accept different bulbs

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