7 mm Wrenches | McMaster-Carr


Drilled Spanner	External 12-Point	External Hex

External Spline	External Square	Hex

Hex with Pilot Recess	Phillips	Pozidriv®

Slotted	Square	Tamper- Resistant Hex

Tamper- Resistant Torx	Torx

	Head Style Head Style


Standard	Offset

	Overall Length Overall Length

	Ratcheting or Nonratcheting Ratcheting or Nonratcheting

Nonratcheting

Ratcheting

	Appearance Appearance

Polished

Dull

	Finish Finish

	Material Material

Stainless Steel

Steel

	Container Type Container Type

Plastic Roll-Up Pouch

	Square Drive Size Square Drive Size

1/4"

3/8"

1/2"

	Socket Style Socket Style


Standard	Offset

Bit	Flex

	Opening Angle Opening Angle

	Tip Style Tip Style


Standard	Ball

Pilot

	Socket Type Socket Type

	Socket

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

DFARS Specialty Metals
COTS-Exempt

	Number of Heads Number of Heads

	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

RoHS Compliant with
Exemptions

Forward

How can we improve?

124 Products

Combination Wrenches

Stubby Combination Wrenches

When working in tight spaces, these short wrenches fit where others can't.

Ratcheting Combination Wrenches

Flip these wrenches over to ratchet in the opposite direction.

Spline Ratcheting Combination Wrenches

A spline-shaped box end turns spline, hex, and 12-point fasteners. This shape also gets a better grip on rounded fasteners that can be difficult to turn with a traditional wrench.

Premium Combination Wrench 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 Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported.

Stubby Combination Wrench Sets

When working in tight spaces, these short wrenches fit where others can't.

Spline Ratcheting Combination Wrench Sets

A spline-shaped box end turns spline, hex, and 12-point fasteners. This shape also gets a better grip on rounded fasteners that can be difficult to turn with a traditional wrench.

Open-End Wrenches

Two-Head Open-End Wrenches

Corrosion-Resistant Open-End Wrenches

These wrenches are made of stainless steel for excellent corrosion resistance.

Two-Head Tight-Clearance Open-End Wrenches

These are also known as tappet wrenches.

75° Angle Tight-Clearance Open-End Wrenches

One head is angled for access to hard-to-reach fasteners. These are also known as ignition wrenches.

Miniature Open-End Wrenches

Sized for working on small equipment, these wrenches are 4 1/8" long with a slim head and handle.

Secure-Grip Open-End Wrenches

The opening shape makes more contact with fasteners for a better grip than standard open-end wrenches. These tools are also known as flare-nut or line wrenches.

Stubby Open-End Wrenches

When turning fasteners in small spaces, these short wrenches fit where others can't.

Open-End Wrench Sets

75° Angle Tight-Clearance Open-End Wrench Sets

One head is angled 75° for access to hard-to-reach fasteners. These are also known as ignition wrenches.

Miniature Open-End Wrench Sets

Sized for working on small equipment, these wrenches are 4 1/8" long with a slim head and handle.

Stubby Open-End Wrench Sets

When turning fasteners in small spaces, these short wrenches fit where others can't.

Secure-Grip Open-End Wrench Sets

The opening shape makes more contact with fasteners for a better grip than standard open-end wrenches. These tools are also known as flare-nut or line wrenches.

Sockets

6-Point Sockets

6-Point Flex Sockets

Pivot the head to access fasteners from an angle.

12-Point Sockets

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.

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.

Ball-End Hex Bit Sockets

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

Extended-Reach Ball-End Hex Bit Sockets

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

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.

12-Point Flex Impact Sockets

Pivot the head to access fasteners from an angle.

Impact Hex Bit Sockets

Fastener-Holding Power Sockets

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

Socket Sets

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.

Value 12-Point Socket Sets

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

Hex, Torx, Phillips, and Slotted Bit Socket Assortments

Keep a convenient mix of hex, Torx, Phillips, and slotted bit sockets on hand.

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.

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.

Extended-Reach Ball-End Hex Bit Socket Sets

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

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.

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.

Box Wrenches

Deep-Offset Box Wrenches

The heads are angled to provide clearance around obstructions.

Two-Head Ratcheting Box Wrenches

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

Two-Head Deep-Offset Ratcheting Box Wrenches

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

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.

Drivers, Keys, and Bits

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-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.

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 High-Visibility L-Key Sets

These assorted keys have a ball end that allows angled entry to turn screws in hard-to-reach areas. The bright finish makes them easy to see and less likely to be misplaced.

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.

L-Keys for Stainless Steel Screws

Protect your stainless steel screws by using a stainless steel L-key. If steel flakes off a standard tool and into the recess, it can lead to rust and contamination. These keys eliminate that risk.

T-Handle Keys

The T-handle provides a good grip for your whole hand and the long shaft reaches into tight spots.

Ball-End Ultra-Grip T-Handle 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. These keys have a textured grip that provides comfort, slip resistance, and maximum torque.

Ultra-Grip T-Handle Keys

The textured grip provides comfort, slip resistance, and maximum torque. These keys have a long shaft for reaching into tight spots to turn fasteners.

Ball-End Screwdrivers

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.

Bit Assortments

Assortments contain bits with multiple drive styles.

Hex Bits

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

Fold-Up Key Sets

Keep a set of keys neatly in your tool box or pocket to turn multiple fastener sizes.

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.