Socket Keys | McMaster-Carr

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System of Measurement

Drive Size

Square Drive Size

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

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Tip Style

Socket Shape

Rounded 4-Point

Bolt Clearance Type

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Flake Coated

Zinc Phosphate Coated

Socket Style

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

OD

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Driver Style

Drive Type

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

RoHS

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

REACH

Export Control Classification Number (ECCN)

Shank Type

Knurled-End Hex

Quick-Change Hex

DFARS Specialty Metals

Number of Pieces

Grip Style

Thread Size

4-40 to 5/16"-32

How can we improve?

6,464 Products

Most Likely Products

Bit Sockets

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

Keys

Replace or cut new keys for padlocks, enclosures, cabinet doors, and locksets

Sockets

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

L-Keys

Turn fasteners from either end and reach into tight spots

All Results

Fastening and Joining

Bit Sockets

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

Sockets

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Socket Bits

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

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

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

Wrench Handles

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

Socket Drivers

Tighten and loosen sockets from above when there isn't room to swing a standard wrench

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

L-Keys

Turn fasteners from either end and reach into tight spots

Nutdrivers

Tighten and loosen nuts and bolts

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nut Starters

Begin turning nuts in hard-to-reach spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Building and Machinery Hardware

Keys

Replace or cut new keys for padlocks, enclosures, cabinet doors, and locksets

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Fabricating and Machining

Lathe Chuck Keys

Lathe Chuck Keys

A long T-handle gives leverage to open tight lathe chucks

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