19 mm Screwdrivers | McMaster-Carr

These assorted keys have a bright finish that's easy to see, so they’re less likely to be misplaced. They turn fasteners from either end and reach into tight spots.

High-Visibility L-Keys

A bright finish makes these tools stand out, so they're less likely to be misplaced. They turn fasteners from either end and reach into tight spots.

Socket Sets

Stubby Hex Bit Socket Sets

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

Hex Bit Socket Sets

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.

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

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.

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 12-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

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.

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.

Wrench Head Sets

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

Secure-Grip Wrench Head Sets

Grip more of your fastener head with these wrench heads.

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.

Impact Socket Sets

Nonmarring 6-Point Impact Socket Sets

Tighten or loosen nuts and bolts without damaging the finish.

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.

6-Point Flex Impact Socket Sets

Pivot the head to access fasteners from an angle.

Dual-Size 12-Point Impact Socket Sets

Use one socket to switch between two fastener sizes.

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.

Sockets

Hex Bit Sockets

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.

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.

6-Point Flex Sockets

Pivot the head to access fasteners from an angle.

Extra-Deep 6-Point Sockets

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

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.