Hex Key Sockets | McMaster-Carr

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1,354 Products

Sockets

Hex Bit Sockets

Electrical-Insulating Hex Bit Sockets

Insulated to protect against accidental contact with live electrical circuits, these sockets are tested to 1,000 volts to meet ASTM F1505 and IEC 60900.

Extended-Reach Hex Bit Sockets

Extra-long bits allow access to hard-to-reach fasteners.

Stubby Hex Bit Sockets

The short bit on these sockets fits in spaces where height clearance is limited.

Dual-Drive Hex Bit Sockets

When vertical space is tight or you need an extra twist on your socket, use these dual drive hex bit sockets. They work with a standard square drive tool and a box or open end wrench.

Flex Hex Bit Sockets

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

Extended-Reach Ball-End Hex Bit Sockets

Extra-long bits allow access to hard-to-reach fasteners.

Ball-End Hex Bit Sockets

The ball end allows angled entry when you don't have exact alignment between the socket bit and fastener.

Tamper-Resistant Hex Bit Sockets

These sockets are also known as pin-in-hex or pin-in-socket bits.

Wrench Heads

Reach nuts obstructed by a fluid line or other barrier with these wrench heads.

Secure-Grip Wrench Heads

Grip more of your fastener head with these wrench heads.

Box-End Wrench Heads

Attach one of these heads to your square-drive ratchet or torque wrench to extend its reach or to access spaces with limited vertical clearance.

Impact Bit Sockets

Impact Hex Bit Sockets

These sockets are made to withstand the high torque and force of impact tools.

Extended-Reach Impact Hex Bit Sockets

Extra-long bits help you access hard-to-reach fasteners.

Stubby Impact Hex Bit Sockets

The short bit on these sockets fits in spaces where height clearance is limited.

Replacement Bits for Hex Bit Sockets

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

Continuous-Duty Hex Bit Sockets

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

Socket Sets

Hex Bit Socket Sets

Extended-Reach Hex Bit Socket Sets

Extra-long bits allow access to hard-to-reach fasteners.

Stubby Hex Bit Socket Sets

The short bit on these sockets fits in spaces where height clearance is limited.

Fastener-Holding Hex Bit Socket Sets

A spring-loaded ball on the bit holds fasteners in place as you drive them, including nonmagnetic fasteners like stainless steel screws.

Flex Hex Bit Socket Sets

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

Dual-Drive Hex Bit Socket Sets

In addition to a standard square drive, the sockets in these sets have a hex-shaped base so you can use a ratchet wrench along with an open-end or box wrench for additional leverage.

Extended-Reach Ball-End Hex Bit Socket Sets

Tighten or loosen hard-to-reach fasteners with the extra-long bits in these socket sets.

Ball-End Hex Bit Socket Sets

The ball end allows angled entry when you don't have exact alignment between the socket bit and fastener.

Maintenance Bit Socket Sets

Keep a convenient variety of drive styles and sizes of bit sockets on hand.

Tamper-Resistant Hex Bit Socket Sets

These sockets are also known as pin-in-hex or pin-in-socket bits.

Box-End Wrench Head Sets

Attach one of the heads in these sets to a torque wrench for more leverage to loosen a stubborn fastener.

Snap-Open Ratcheting Box-End Wrench Head Sets

Get a strong grip in tight areas, even on fasteners that are rounded or damaged.

Wrench Head Sets

Reach nuts obstructed by a fluid line or other barrier with the wrench heads in these sets.

Ratcheting Wrench Head Sets

Connect one of the heads in these sets to a socket extension to reach an obstructed fastener, then turn the fastener without removing and repositioning the wrench head.

Secure-Grip Wrench Head Sets

Grip more of your fastener head with these wrench heads.

Impact Socket Sets

Impact Hex Bit Socket Sets

Use these sockets as an alternative to a screwdriver or L-key. They are made to withstand the high torque and force of impact tools.

Extended-Reach Impact Hex Bit Socket Sets

Extra-long bits help you access hard-to-reach fasteners.

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.

Hex Conversion Bit Sets for 6-Point Sockets

Convert your standard 6-point sockets into hex bit sockets with these bits.

Nonmarring 6-Point Impact Socket Sets

Tighten or loosen nuts and bolts without damaging the finish.

Socket Organizers

Easy-Slide Clip-Rail Socket Organizers

The rail is smooth plastic so the clips move more easily than on steel-rail organizers.

Clip-Rail Socket Organizing Trays

Hold different square drive sizes on the four clip rails stored in these trays.

Clip-Rail Socket Organizers

Move the sliding clips to any position along the rail to hold a variety of sockets.

Foam Socket Organizers

The slots in these low-profile organizers are a different color than the base so it's clear when tools are missing from your bench top or drawer.

Easy-ID Socket Organizers

Store sockets on posts marked with the size.

Magnetic Socket Organizers

Magnets hold sockets securely in place.

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.

Box Wrenches

Striking Box Wrenches

Also known as slugging wrenches, strike the handle with a hammer to break stuck fasteners free.

Nonsparking Striking Box Wrenches

Made of aluminum-bronze that is Factory Mutual approved, these wrenches inhibit sparking and are nonmagnetic and corrosion resistant.

Deep-Offset Striking Box Wrenches

The head is offset 45° to provide clearance for reaching over obstructions.

Extended-Reach Ratcheting Box Wrenches

An extra-long handle provides access to hard-to-reach fasteners and increases leverage.

Snap-Open Ratcheting Box Wrenches

Open the jaws to fit around a fastener like an open-end wrench; close the jaws and the wrench acts like a ratcheting box wrench.

Deep-Offset Ratcheting Box Wrenches

The offset head gives you additional clearance to turn hard-to-reach fasteners.

Two-Head Deep-Offset Ratcheting Box Wrenches

The 25° offset heads give you additional clearance to turn hard-to-reach fasteners.

Electrical-Insulating Ratcheting Box Wrenches

An insulated handle protects against accidental contact with live electrical circuits. These wrenches are tested to 1,000 volts to meet IEC 60900.

Two-Head Ratcheting Box Wrenches

Ratchet mechanisms allow you to turn fasteners in tight spaces without removing and repositioning the tool.

Ratcheting Box Wrenches

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench.

Tapered-Handle Box Wrenches

Also known as spud, structural, and construction wrenches, use the pointed end of the handle to align bolt holes during assembly.

Deep-Offset Box Wrenches

The heads are angled to provide clearance around obstructions.

High-Leverage Box Wrenches

The long handle provides extra leverage—add an extension to increase it even more.

Deep-Offset High-Leverage Box Wrenches

The head is offset 45° to provide clearance for reaching over obstructions.

Curved Box Wrenches

Also known as half-moon and obstruction wrenches, the shape lets you reach around obstacles and into machinery.

Nonsparking Box Wrenches

Made of aluminum-bronze that is Factory Mutual approved, these wrenches inhibit sparking and are nonmagnetic and corrosion resistant.

Box Wrenches

Two-Head Box Wrenches

Box Wrench Sets

These wrenches are polished for a mirror-like finish.

Ratcheting Box Wrench Sets

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench.

Deep-Offset Ratcheting Box Wrench Sets

The heads are offset to provide clearance for reaching over obstructions.

Snap-Open Ratcheting Box Wrench Sets

Open the jaws to fit around a fastener like an open-end wrench; close the jaws and the wrench acts like a ratcheting box wrench.

Deep-Offset Box Wrench Sets

The heads are offset 45° to provide clearance for reaching over obstructions.