Steel Sockets | McMaster-Carr

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15/16" to 1 1/8"

31/32" to 3 1/16"

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4-40 to 5/16"-32

Socket Style

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

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Hot-Dipped Galvanized

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Drive Type

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Compliant with Exemptions

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

DFARS Specialty Metals

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REACH

Export Control Classification Number (ECCN)

Specifications Met

Fastener Head Type

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17,793 Products

Sockets

Sockets

6-Point Sockets

6-Point Sockets

Get the tightest grip possible on hex fasteners to prevent rounding their points

12-Point Sockets

12-Point Sockets

Grip hex fasteners quickly

Extra-Deep 6-Point Sockets

Extra-Deep 6-Point Sockets

Double the clearance of standard sockets to access nuts on extra-long bolts

8-Point Sockets

8-Point Sockets

Quickly position these sockets on square and external 8-point fasteners

Spanner Sockets

Spanner Sockets

Pins grip the slotted sides on bearing nuts for easy tightening and loosening

4-Point Sockets

4-Point Sockets

Provide the tightest grip on square fasteners and prevent rounding

Stubby 6-Point Sockets

Stubby 6-Point Sockets

Fit short sockets into spaces where height clearance is limited

Fastener-Holding 6-Point Sockets

Fastener-Holding 6-Point Sockets

Hold fasteners securely in place as you drive them in

Universal-Fit Sockets

Universal-Fit Sockets

Turn multiple shapes and sizes of fasteners with a single socket

6-Point Flex Sockets

6-Point Flex Sockets

Pivot the head to access hex fasteners from an angle

Tri-Groove Sockets

Tri-Groove Sockets

Grip the indentations around the outside of tri-groove fasteners

External Torx-Plus Sockets

External Torx-Plus Sockets

Grasp external Torx-Plus fasteners using squared lobes that resist slipping

5-Point Sockets

5-Point Sockets

Turn the nuts found on water and gas valves

Open-End 6-Point Sockets

Open-End 6-Point Sockets

Slide the open side over a tube or hose to adjust a nut that’s already installed

12-Point Flex Sockets

12-Point Flex Sockets

Pivot the head to access fasteners from an angle and the 12-point shape quickly grips them

External Torx Sockets

External Torx Sockets

Tighten and loosen fasteners with an external Torx drive

Bolt-Through 6-Point Sockets

Bolt-Through 6-Point Sockets

Reach nuts at the bottom of a long threaded rod or bolt

Wing Nut Sockets

Wing Nut Sockets

Tighten or loosen wing nuts with more force than fingers can apply

Nonmarring 6-Point Sockets

Nonmarring 6-Point Sockets

Firmly grip hex nuts and bolts without rounding or scratching them

Extended 6-Point Flex Sockets

Extended 6-Point Flex Sockets

An integrated extension eliminates the risk of your socket falling when reaching

Electrically Insulating 12-Point Sockets

Electrically Insulating 12-Point Sockets

Tested to 1,000 volts for protection against accidental contact with live electrical circuits

Impact Sockets

6-Point Impact Sockets

6-Point Impact Sockets

Achieve the tightest grip on hex fasteners and prevent rounding

12-Point Impact Sockets

12-Point Impact Sockets

The 12-point shape quickly grips hex fasteners

Thin-Wall 6-Point Impact Sockets

Thin-Wall 6-Point Impact Sockets

Fit these sockets in between tightly spaced fasteners

8-Point Impact Sockets

8-Point Impact Sockets

Quickly position on square fasteners

6-Point Flex Impact Sockets

6-Point Flex Impact Sockets

Pivot the head on these sockets to access hex fasteners from an angle

Fastener-Holding 6-Point Impact Sockets

Fastener-Holding 6-Point Impact Sockets

A magnet holds fasteners securely enough to drive self-tapping screws

4-Point Impact Sockets

4-Point Impact Sockets

Provide the best possible grip on square fasteners and prevent rounding

6-Point Lug Nut-Holding Impact Sockets

6-Point Lug Nut-Holding Impact Sockets

Stack up to five standard 6-point lug nuts in the shank to speed up jobs

Nonmarring 6-Point Impact Sockets

Nonmarring 6-Point Impact Sockets

Firmly grip nuts and bolts without damaging the finish

External Torx Impact Sockets

External Torx Impact Sockets

Tighten and loosen fasteners with an external Torx drive

6-Point Impact Sockets with Spline Drive

6-Point Impact Sockets with Spline Drive

Typically used where high torque is required, attach them to your spline-drive impact wrench

Extra-Deep 8-Point Impact Sockets

Extra-Deep 8-Point Impact Sockets

Extra length allows access to fasteners on long bolts

5-Point Impact Sockets

5-Point Impact Sockets

Turn 5-point tamper-resistant nuts and bolts often found on water and gas valves

Wing Nut Impact Sockets

Wing Nut Impact Sockets

The slotted shape fits over wing nuts to tighten and loosen with more force than by hand

12-Point Flex Impact Sockets

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle

Socket Sets

6-Point Socket Sets

6-Point Socket Sets

These tools handle the toughest industrial applications

Economy 6-Point Socket Sets

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported

12-Point Socket Sets

12-Point Socket Sets

12 points quickly grip hex fasteners in the toughest industrial applications

Economy 12-Point Socket Sets

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these are imported; 12 points quickly grip hex fasteners

Wheel Bearing Locknut Socket Sets

Wheel Bearing Locknut Socket Sets

Shaped and sized for compatibility with wheel bearing locknuts on trucks and trailers

External Torx-Plus Socket Sets

External Torx-Plus Socket Sets

Securely grip external Torx-Plus fasteners at high torque

8-Point Socket Sets

8-Point Socket Sets

Grab onto square-drive screws and nuts more quickly than with 4-point sockets

Open-End 6-Point Socket Sets

Open-End 6-Point Socket Sets

A cutout and extra length help you reach and twist nuts without having to disconnect your line

Fastener-Holding 6-Point Socket Sets

Fastener-Holding 6-Point Socket Sets

Keep nuts and bolts in place as you turn them using two spring-loaded balls

External Torx Socket Sets

External Torx Socket Sets

Tighten and loosen fasteners with an external Torx drive

Bolt-Through 6-Point Socket Sets

Bolt-Through 6-Point Socket Sets

Reach nuts at the bottom of a long threaded rod or bolt

Extra-Deep 6-Point Socket Sets

Extra-Deep 6-Point Socket Sets

Double the clearance of standard sockets to access nuts on extra-long bolts

Tri-Groove Socket Sets

Tri-Groove Socket Sets

Grip the indentations around the outside of tri-groove fasteners

6-Point Flex Socket Sets

6-Point Flex Socket Sets

Access 6-point nuts and bolts in tight and awkward spaces

12-Point Flex Socket Sets

12-Point Flex Socket Sets

Pivot the head to access fasteners from an angle

Electrically Insulating 12-Point Socket Sets

Electrically Insulating 12-Point Socket Sets

Organize what you need when working around live electrical circuits

Impact Socket Sets

4-Point Impact Socket Sets

4-Point Impact Socket Sets

Grip square fasteners more tightly than 8-point sockets to reduce slips and chips

6-Point Impact Socket Sets

6-Point Impact Socket Sets

The hex shape grips hex fasteners and prevents rounding

Nonmarring 6-Point Impact Socket Sets

Nonmarring 6-Point Impact Socket Sets

Tighten or loosen nuts and bolts without damaging the finish

Budd Wheel Impact Socket Sets

Budd Wheel Impact Socket Sets

Remove and install dual wheels on trucks and trailers

External Torx Impact Socket Sets

External Torx Impact Socket Sets

Tighten and loosen fasteners with an external Torx drive

6-Point Flex Impact Socket Sets

6-Point Flex Impact Socket Sets

Pivot the head to access fasteners from an angle

Dual-Size 12-Point Impact Socket Sets

Dual-Size 12-Point Impact Socket Sets

Use one socket to switch between two fastener sizes

Reversible 6-Point Impact Socket Sets

Reversible 6-Point Impact Socket Sets

Turn 10 fastener sizes with these five sockets

Threaded Rod Sockets

Threaded Rod Sockets

Threaded Rod Sockets

Grip threaded rod for quick installation and removal without damaging the threads

Continuous-Duty Sockets

Continuous-Duty 6-Point Sockets

Continuous-Duty 6-Point Sockets

Use in high-volume jobs when you need hardened steel to resist cracking and wear

Continuous-Duty Fastener-Holding 6-Point Sockets

Continuous-Duty Fastener-Holding 6-Point Sockets

A magnet holds the fastener securely enough to drive self-tapping screws

Spark Plug Sockets

Spark Plug Sockets

Spark Plug Sockets

A rubber insert grips the plug to prevent damage

Flex Spark Plug Sockets

Flex Spark Plug Sockets

Pivot the head to access fasteners from an angle

Strut Channel Sockets

Strut Channel Sockets

Strut Channel Sockets

Mount strut channel easily without the use of an extension or other tools

Budd Wheel Impact Sockets

Budd Wheel Impact Sockets

Budd Wheel Impact Sockets

Designed for dual wheels on trucks and trailers, with both a hex and square recess

Other Products

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

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Wrench Heads

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Nutdrivers

Tighten and loosen nuts and bolts

Drum Plug Sockets

Drum Plug Sockets

Turn with a ratchet wrench to install and remove screw-in drum plugs

Socket Bits

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

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Screwdrivers

Tighten and loosen screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Socket Wrenches

Socket Wrenches

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

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

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

Nut Starters

Begin turning nuts in hard-to-reach spots

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Bit Adapters

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

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Wrench Handles

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

Socket Drivers

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

Coupling Nuts

Connect and extend threaded rods

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Box Wrenches

Grip all sides of a fastener to prevent slipping

Oil Filter Sockets

Oil Filter Sockets

Twist with a ratchet wrench to adjust filters and other round objects in tight spots

Tap Holders

Work like sockets to connect taps to ratchet wrenches

Threaded Rod and Stud Driver Bits

Threaded Rod and Stud Driver Bits

Quickly install threaded rods and studs with a cordless drill, instead of by hand

Hex Nuts

Handle most general fastening needs

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Impact Wrenches

Impact Wrenches

Maximize torque to break frozen bolts free and drive fasteners more quickly than other wrenches

Hose Coupling Size-Identification Kits

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

Caster Sockets

Mount on the inside corners of channel and other framing to attach stem casters

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Torque Multipliers

Torque Multipliers

Pair with a torque wrench to amplify torque while staying within a specific range

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

D-Sub Connectors

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

Outlet Strips

Plug in multiple devices to power them from a single outlet

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

Wire Rope End Fittings

Wire Rope End Fittings

Finish wire rope ends with threaded stud, eye, clevis, ball, hook, and other connections

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Lamp Pipe Fasteners

Lamp Pipe Fasteners

Fasten lamp pipe to a socket or base to build and repair lamps

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Hitch Receivers

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

Forklift Hitch Receivers

Forklift Hitch Receivers

Secure to forklift forks and slide in a hitch to adapt a forklift for towing

Wire Rope Stops

Wire Rope Stops

Prevent wire rope from pulling out of cleats and guides or keep ends from fraying

Gas Spring End Fittings

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

Tow Eyes

Mount to trailers and connect to tow hooks or drawbar couplers on vehicles for towing

Raceway Outlet Strips

Raceway Outlet Strips

Mount to a wall with clips and hardwire to an existing electrical system

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

Machine Taper Shank Adapters

Machine Taper Shank Adapters

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

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

Lamp Pipe

Connect lamp components and conceal wires when building or repairing lamps

Drawbar Couplers

Drawbar Couplers

Use with drawbar rings to connect trailers to vehicles; also known as pintle hitches

Tow Hooks

Bolt to vehicles and connect to tow eyes on trailers for towing

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

Hitch Kits

Everything you need to attach a hitch to your vehicle’s receiver

Wire Rope Compression Sleeves

Wire Rope Compression Sleeves

Install a permanent loop at wire rope ends using a compression tool

Wire Rope Thimbles

Wire Rope Thimbles

Support the weight of wire rope loops to prevent fraying, snagging, and tangling

Power Receptacles

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

Machine Taper Shank Extensions

Machine Taper Shank Extensions

Lengthen the reach of your machine taper shank

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Metric Circular Receptacles

Metric Circular Receptacles

Install in walls and panels and pair with plugs to make metric connections

Battery Chargers

Battery Chargers

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

Outlet Strip Mounts

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

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