Universal Sockets | McMaster-Carr

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2,005 Products

Sockets

6-Point Flex Sockets

Pivot the head to access fasteners from an angle.

6-Point Sockets

The hex shape achieves the best possible grip on hex fasteners to prevent rounding their points.

Nonsparking 6-Point Sockets

Made of aluminum-bronze, these sockets satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Stubby 6-Point Sockets

These short sockets fit spaces where height clearance is limited.

Extended 6-Point Flex Sockets

Eliminate the risk of your socket falling while reaching into your workspace with these flex sockets that have an integrated extension.

Open-End 6-Point Sockets

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

Extra-Deep 6-Point Sockets

With more than double the clearance of standard sockets, these sockets access nuts on extra-long bolts.

6-Point Stainless Steel Sockets

Designed for use with stainless steel fasteners, these sockets are more corrosion resistant than steel sockets and less likely to flake.

Fastener-Holding 6-Point Sockets

Hold fasteners securely in place as you drive them.

Bolt-Through 6-Point Sockets

Pair these sockets with a bolt-through ratchet wrench to reach nuts at the bottom of a long threaded rod or bolt which can pass through the socket and the head of the wrench.

Nonmarring 6-Point Sockets

With a plastic insert, these sockets firmly grip hex nuts and bolts without rounding them or scratching highly polished finishes.

12-Point Flex Sockets

Pivot the head to access fasteners from an angle.

12-Point Sockets

Electrical-Insulating 12-Point Sockets

Insulated to protect against accidental contact with live electrical circuits, these sockets are tested to 1,000 volts to meet IEC 60900.

Universal-Fit Sockets

Turn multiple shapes and sizes of fasteners with a single socket.

8-Point Sockets

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

Flex Hex Bit Sockets

Tighten and loosen fasteners at an angle by pivoting the head on these sockets.

Spark Plug Sockets

A rubber insert grips the plug to prevent damage.

Flex Spark Plug Sockets

Pivot the head to access fasteners from an angle.

Impact Sockets

6-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

6-Point Impact Sockets

Achieve the best possible grip on hex fasteners and prevent rounding.

Fastener-Holding 6-Point Impact Sockets

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

6-Point Lug Nut-Holding Impact Sockets

Move from lug nut to lug nut with the speed of a racecar pit crew. Up to five standard 6-point lug nuts stack up in the shank of these sockets, so you don’t have to stop to take the lug nuts out of the socket.

Nonmarring 6-Point Impact Sockets

Tighten or loosen nuts and bolts without damaging the finish.

Thin-Wall 6-Point Impact Sockets

With a smaller OD than standard sockets, these fit between tightly spaced fasteners.

Extra-Deep 6-Point Impact Sockets

Extra length allows access to fasteners on long bolts.

6-Point Impact Sockets with Spline Drive

Attach these sockets to your spline-drive impact wrench.

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

12-Point Impact Sockets

The 12-point shape quickly positions on hex fasteners.

Nonsparking 12-Point Impact Sockets

Made of aluminum-bronze, these sockets satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

8-Point Impact Sockets

Quickly position these sockets on square fasteners.

Nonsparking 8-Point Impact Sockets

Made of aluminum-bronze, these sockets satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Extra-Deep 8-Point Impact Sockets

Extra length allows access to fasteners on long bolts.

Budd Wheel Impact Sockets

Designed to remove and install dual wheels on trucks and trailers, these sockets have a hex recess for accessing lug nuts and a square recess to turn the threaded shafts found on inner wheels.

Continuous-Duty Sockets

Continuous-Duty 6-Point Sockets

These sockets are designed to tolerate continuous use with power tools and impact tools in high-volume production and assembly.

Continuous-Duty Fastener-Holding 6-Point Sockets

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

Socket Adapters and Extensions

Impact Flex Socket Adapters

Convert your impact socket into a flex socket to access fasteners from an angle.

Impact Flex Socket Adapter Sets

Convert your impact socket into a flex socket to access fasteners from an angle.

Flex Impact Socket Extensions

Attach one of these extensions to your impact socket to turn fasteners in hard-to-reach spaces.

Flex Socket Adapters

Convert your socket into a flex socket to access fasteners from an angle.

Flex Socket Adapter Sets

Convert your socket into a flex socket to access fasteners from an angle.

Secure-Hold Flex Socket Adapters

Convert your socket into a flex socket without worrying about the adapter falling off.

Finger-Tightening Socket Adapters

Fit these adapters between a wrench and socket to enable finger tightening.

Socket Sets

12-Point Flex Socket Sets

Pivot the head to access fasteners from an angle.

12-Point Socket Sets

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish.

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

Electrical-Insulating 12-Point Socket Sets

These sets organize what you need when working around live electrical circuits.

8-Point Socket Sets

With twice as many corners, 8-point sockets grab onto square-drive screws and nuts more quickly than 4-point sockets.

6-Point Flex Socket Sets

Access 6-point nuts and bolts in tight and awkward spaces—the heads on these sockets pivot.

Bolt-Through 6-Point Socket Sets

Pair the sockets in these sets with the bolt-through ratchet wrench to reach nuts at the bottom of a long threaded rod or bolt.

Open-End 6-Point Socket Sets

The sockets in these sets have a cutout and extra length so you can reach and twist nuts without having to disconnect your line.

Fastener-Holding 6-Point Socket Sets

Two spring-loaded balls inside these sockets firmly hold nuts and bolts in place as you turn them, including nonmagnetic fasteners like stainless steel screws.

Nonsparking 6-Point Socket Sets

Made of aluminum-bronze, these sockets satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Extra-Deep 6-Point Socket Sets

With more than double the clearance of standard sockets, the sockets in these sets access nuts on extra-long bolts.

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

6-Point Socket Sets

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish.

Wheel Bearing Locknut Socket Sets

Shaped and sized for compatibility with wheel bearing locknuts on trucks and trailers, the sockets in these sets make it easy to install and remove locknuts.

Square Drive Size Adapter Sets

Convert from one square drive size to another.

Bit Socket Sets

Flex Hex Bit Socket Sets

Pivot the head of the sockets in these sets to access fasteners from an angle.

Flex Torx Bit Socket Sets

Pivot the head to access fasteners from an angle.

Impact Socket Sets

6-Point Flex Impact Socket Sets

Pivot the head to access fasteners from an angle.

6-Point Impact Socket Sets

The hex shape grips hex fasteners and prevents rounding. These sockets are made to withstand the high torque and force of impact tools.

Reversible 6-Point Impact Socket Sets

Carry fewer impact sockets—these five reversible impact sockets turn 10 fastener sizes. Flip the socket around to turn a different size.

Nonmarring 6-Point Impact Socket Sets

Tighten or loosen nuts and bolts without damaging the finish.

Dual-Size 12-Point Impact Socket Sets

Use one socket to switch between two fastener sizes.

Impact Square Drive Size Adapter Sets

Convert from one square drive size to another.

Flex Impact Hex Bit Socket Sets

Pivot the head to access fasteners from an angle.

Budd Wheel Impact Socket Sets

Remove and install dual wheels on trucks and trailers with the sockets in these sets.

Socket Retaining Rings

One-Piece Socket Retaining Rings

The pin on these retainers is permanently connected to the ring, so they're less likely to dislodge when used with an impact wrench compared to two-piece retaining rings.

Two-Piece Socket Retaining Rings

Stretch-Fit One-Piece Socket Retaining Rings

Stock fewer sizes of retaining rings—these stretch to fit a range of socket diameters.

Bolt-Through Ratchet Wrenches

Pair these wrenches with a bolt-through socket to reach nuts at the bottom of a long threaded rod or bolt which can pass through the head of the wrench.

International Outlet Adapters

Use foreign devices in American outlets and American devices in foreign outlets.