12 mm Screwdrivers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Size Size	Show

12 mm

	Size Size	Hide

	Tip Style Tip Style


Standard	Ball

Pilot

	For Drive Style For Drive Style


External 12-Point	External Hex	External Square

Hex	Hex with Pilot Recess

	Driver Style Driver Style


Driver	Bit

L-Key	T-Handle

Shaft

	Number of Pieces Number of Pieces

	Individual/Set Individual/Set

Individual

Set

	Overall Length Overall Length

	L-Key Length L-Key Length

Long

Short

	Color Color

	Black
	Blue

	Container Type Container Type

Plastic Roll-Up Pouch

	Shank Type Shank Type

	Quick- Change Hex
	Hex

	Material Material

Steel

	Finish Finish

	Square Drive Size Square Drive Size

	Hex Shank Size Hex Shank Size

1/4"

	Driver Type Driver Type

Standard

	Socket Style Socket Style


Bit	Standard

Offset	Flex

	Bolt Clearance Style Bolt Clearance Style


Standard	Deep

Bolt Through

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Socket Shape Socket Shape


6-Point	12-Point	Universal

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108 Products

Drivers, Keys, and Bits

Nutdrivers

These standard nutdrivers have a hollow shaft that provides clearance to remove nuts from long bolts.

Hex Bits

Strong and durable, these multipurpose bits are for use with bit screwdrivers.

Ball-End Hex Bits

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.

Fastener-Holding Nutdriver Bits

A magnet or retaining ring holds the nut in place.

Ball-End Hex Bit Sets

When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.

L-Keys

Turn fasteners from either end and reach into tight spots.

L-Key Sets

Sets include an assortment of keys. These simple tools turn fasteners from either end and reach into tight spots.

Ball-End L-Key Sets

These assorted keys have a ball end that allows angled entry to make good contact with the screw recess when standard-tip keys can’t. Use to turn screws in hard-to-reach spots.

Ball-End L-Keys

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places.

High-Visibility L-Key Sets

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.

Looped T-Handle Keys

With a simple loop handle, these keys are the economical choice. They have a long shaft for reaching into tight spots and the T-handle provides a good grip for your whole hand when turning fasteners.

Ball-End Driver Shafts

Create your own tool by attaching these shafts to a handle, or use with socket wrenches and power tools. They have a ball end that allows angled entry to make good contact with the recess when a standard-tip shaft can’t.

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

6-Point Flex Sockets

Pivot the head to access fasteners from an angle.

12-Point Sockets

12-Point Flex Sockets

Pivot the head to access fasteners from an angle.

Universal-Fit Sockets

Turn many sizes of square, hex, and 8-point fasteners with one socket. Place over the fastener and 54 pins move to grip it securely.

Tight-Clearance Offset Sockets

Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that a regular socket can't reach. They are also known as crowfoot wrenches.

Bolt-Through Sockets

Turn nuts on bolts and threaded rod, which pass through these sockets.

Impact Sockets

Impact Hex Bit Sockets

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 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.

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

Power Sockets

Power Hex Bit Sockets

Use bit sockets as an alternative to a screwdriver or L-key.

Fastener-Holding Power Sockets

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

Socket Sets

Hex Bit Socket Sets

Extended-Reach Hex Bit Socket Sets

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

Premium 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.

Premium 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.

Value 12-Point Socket Sets

For high quality at a lower price, choose these U.S.A.-made sets.

Tight-Clearance Offset Socket Sets

Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that a regular socket can't reach. They are also known as crowfoot wrenches.

Bolt-Through Socket Sets

Turn nuts on bolts and threaded rod, which pass through these sockets.

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.

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.