Sockets | McMaster-Carr

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39,188 Products

Fastening and Joining

Sockets

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

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Socket Wrenches

Socket Wrenches

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Box Wrenches

Grip all sides of a fastener to prevent slipping

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 Inserts

Slip into sockets to keep fasteners from falling out

Impact Wrenches

Impact Wrenches

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

Oil Filter Sockets

Oil Filter Sockets

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

Torque Multipliers

Torque Multipliers

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

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Bit Adapters

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

Nutdrivers

Tighten and loosen nuts and bolts

Nut Starters

Begin turning nuts in hard-to-reach spots

Screwdrivers

Tighten and loosen screws

Fastening Tool Kits

Fastening Tool Kits

Secure fasteners and complete a variety of other maintenance tasks

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Impact Drivers

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

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

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

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

Socket Head Screws

Socket Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Rounded Head Screws

Rounded Head Screws

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

Set Screws

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

Shoulder Screws

Shoulder Screws

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Coupling Nuts

Connect and extend threaded rods

Hex Nuts

Handle most general fastening needs

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Electrical

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

Outlet Strips

Plug in multiple devices to power them from a single outlet

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Relay Sockets

Quickly mount relays to DIN rail or flat surfaces

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Battery Chargers

Battery Chargers

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

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Raceway and Raceway Fittings

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Air Chucks

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

Thermocouple and RTD Mounts

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

Thermocouple Connector Adapters

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

Lighting

Light Sockets

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

Light Socket Adapters

Light Socket Adapters

Convert light fixtures to accept different bulbs

Light Socket Pull Cords

Light Socket Pull Cords

Lengthen pull-chain light switches

Lamp Pipe Fasteners

Lamp Pipe Fasteners

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

Lamp Pipe

Connect lamp components and conceal wires when building or repairing lamps

Light Bulb Holders

Light Bulb Holders

Secure fluorescent, LED, and miniature light bulbs in place

Light Lenses

Reduce glare from light bulbs and protect them from damage

Material Handling

Caster Sockets

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

Hitch Inserts

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

Hitch-Ball Couplers

Hitch-Ball Couplers

Bolt or weld to trailers and connect to hitch balls on vehicles for towing

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Hitch Balls

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

Hitch Receivers

Hitch Receivers

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

Tow Hooks

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

Drawbar Couplers

Drawbar Couplers

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

Tow Eyes

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

Wire Rope Plugs

Wire Rope Plugs

Secure wire rope in end fittings with a plug-lock connection

Wire Rope End Fittings

Wire Rope End Fittings

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

Wire Rope Thimbles

Wire Rope Thimbles

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

Wire Rope Compression Sleeves

Wire Rope Compression Sleeves

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

Wire Rope Stops

Wire Rope Stops

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

Wire Rope Plug Installation Kits

Wire Rope Plug Installation Kits

Drive plugs into the end of wire rope while protecting the strands from nicks

Turnbuckles

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

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Containers, Storage, and Furniture

Socket Organizers

Socket Organizers

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

Power Transmission

Rod End Inserts

Rod End Inserts

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

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

Swivel Joints

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

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

U-Joints

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

Shaft Adapters

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

Gas Spring End Fittings

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

Measuring and Inspecting

Spring Test Probe Sockets

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

Power Consumption Meters

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

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

Fabricating and Machining

Tap Holders

Connect taps to ratchet wrenches, drill presses, or milling machines

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

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

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

Communication

Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

Sealing

Hose Coupling Gaskets

Hose Coupling Gaskets

Form tight seals on cam-and-groove, grip-lock, and twist-claw hose connections

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

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