7 mm Wrenches | McMaster-Carr

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121 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.

Economy Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported.

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.

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.

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.

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.

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported.

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.

Extended-Reach Ball-End Hex Bit Socket Sets

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

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.

Hex, Torx, Phillips, and Slotted
Bit Socket Assortments

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

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.

Hex Bits

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

Bit Assortments

Assortments contain bits with multiple drive styles.

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.

Combination Wrenches

Combination Wrenches

Stubby Combination Wrenches

Ratcheting Combination Wrenches

Spline Ratcheting Combination Wrenches

Economy Combination Wrench Sets

Premium Combination Wrench Sets

Stubby Combination Wrench Sets

Spline Ratcheting Combination Wrench Sets

Open-End Wrenches

Open-End Wrenches

Two-Head Open-End Wrenches

Corrosion-Resistant Open-End Wrenches

Two-Head Tight-Clearance Open-End Wrenches

75° Angle Tight-Clearance Open-End Wrenches

Miniature Open-End Wrenches

Secure-Grip Open-End Wrenches

Stubby Open-End Wrenches

Open-End Wrench Sets

75° Angle Tight-Clearance Open-End Wrench Sets

Miniature Open-End Wrench Sets

Stubby Open-End Wrench Sets

Secure-Grip Open-End Wrench Sets

Sockets

6-Point Sockets

6-Point Flex Sockets

12-Point Sockets

Universal-Fit Sockets

Tight-Clearance Offset Sockets

Hex Bit Sockets

Extended-Reach Hex Bit Sockets

Stubby Hex Bit Sockets

Extended-Reach Ball-End Hex Bit Sockets

Ball-End Hex Bit Sockets

6-Point Impact Sockets

Fastener-Holding 6-Point Impact Sockets

12-Point Flex Impact Sockets

Impact Hex Bit Sockets

Fastener-Holding Power Sockets

Socket Sets

Premium 6-Point Socket Sets

Economy 6-Point Socket Sets

Economy 12-Point Socket Sets

Hex Bit Socket Sets

Extended-Reach Hex Bit Socket Sets

Stubby Hex Bit Socket Sets

Extended-Reach Ball-End Hex Bit Socket Sets

Ball-End Hex Bit Socket Sets

Hex, Torx, Phillips, and SlottedBit Socket Assortments

6-Point Impact Socket Sets

Impact Hex Bit Socket Sets

Box Wrenches

Deep-Offset Box Wrenches

Two-Head Ratcheting Box Wrenches

Two-Head Deep-Offset Ratcheting Box Wrenches

Ratcheting Box Wrench Sets

Deep-Offset Ratcheting Box Wrench Sets

Drivers, Keys, and Bits

L-Keys

L-Key Sets

Ball-End L-Keys

Ball-End L-Key Sets

Ball-End High-Visibility L-Key Sets

High-Visibility L-Keys

L-Keys for Stainless Steel Screws

T-Handle Keys

Ball-End Ultra-Grip T-Handle Keys

Ultra-Grip T-Handle Keys

Ball-End Screwdrivers

Hex Bits

Bit Assortments

Fold-Up Key Sets

Ball-End Driver Shafts

Hex, Torx, Phillips, and Slotted
Bit Socket Assortments