Nut Wrenches | McMaster-Carr

Choose a Category

	Wrench Style Wrench Style


Open End	Spanner

Box	Combination

	Spanner Wrench Style Spanner Wrench Style


Hook	Pin

	System of Measurement System of Measurement

	Individual/Set Individual/Set

	Opening Shape Opening Shape


Rounded	12-Point

Hex Secure Grip	12-Point Secure Grip

V

	For Circle Diameter For Circle Diameter

15/32"-35/64"

1/2"-7"

5/8"-25/32"

5/8"-2"

5/8"-3"

5/8"-4"

3/4"-2"

3/4"-3 5/8"

7/8"-1 3/8"

63/64"-1 7/64"

1"-3 3/4"

1 3/16"-1 17/64"

1 1/4"-3"

1 11/32"-1 27/64"

1 3/8"-2 3/8"

1 37/64"-1 21/32"

1 49/64"-1 31/32"

2"-4 3/4"

2"-6"

2 3/64"-2 11/64"

2 9/32"-2 7/16"

2 3/8"-3 1/2"

2 43/64"-2 61/64"

3 5/32"-3 35/64"

3 1/2"-6 1/8"

3 47/64"-3 15/16"

4 21/64"-4 17/32"

4 1/2"-6 1/4"

4 23/32"-5 1/8"

5 5/16"-5 45/64"

6 7/64"-6 1/2"

6 1/8"-8 3/4"

6 1/8"-9 1/8"

7 3/32"-7 43/64"

8 5/64"-8 21/32"

9 1/16"-9 41/64"

10-100 mm

12-14 mm

16-18 mm

16-20 mm

19-50 mm

20-35 mm

25-28 mm

30-32 mm

32-76 mm

34-36 mm

35-60 mm

40-42 mm

45-50 mm

51-120 mm

52-55 mm

58-62 mm

60-90 mm

68-75 mm

80-90 mm

90-155 mm

95-100 mm

110-115 mm

115-158 mm

120-130 mm

135-145 mm

155-165 mm

155-230 mm

156-222 mm

180-195 mm

205-220 mm

230-245 mm

	Spanner Wrench Type Spanner Wrench Type

	Material Material

Stainless Steel

	Head Style Head Style


Standard	Offset

	Overall Length Overall Length

4"-6 1/8"

4"-6 5/8"

5 1/2"-7 1/4"

5 3/4"-8"

5 3/4"-9 1/4"

5 3/4"-10 1/2"

6 1/8"-7 5/8"

	Finish Finish

	For Drive Style For Drive Style


External Hex	External Square	External 12-Point

	For Use With For Use With

Rings, Flanges, and Collars

Screws and Nuts

Shut-Off Valves

	Ratcheting or Nonratcheting Ratcheting or Nonratcheting

	Pin Diameter Pin Diameter

	Specifications Met Specifications Met

DIN

ANSI

SAE

	Head Thickness Head Thickness

	Number of Heads Number of Heads

	Hook Width Hook Width

	Jaw Type Jaw Type

	Opening Angle Opening Angle

	Maximum Jaw Capacity Maximum Jaw Capacity

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284 Products

Open-End Wrenches

Tight-Clearance Open-End Wrenches

The slim head fits into tight spaces and around thin fasteners.

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.

Multi-Size Open-End Wrenches

Also known as alligator wrenches and water-meter nut wrenches, the V-shaped head fits multiple hex fastener sizes.

Tight-Clearance
Open-End Wrench Sets

Tight-Clearance Open-End Wrench Sets

Fit the narrow head into tight spaces and around thin fasteners.

Secure-Grip Open-End Wrench Sets

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.

Ratcheting Combination Wrenches

Ratcheting Combination Wrenches

Flip these wrenches over to ratchet in the opposite direction.

Box Wrenches

Snap-Open Ratcheting
Box Wrench Sets

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.

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.

Adjustable Wrenches

Cushion-Grip Corrosion-Resistant
Adjustable Wrenches

A plastic-covered handle provides a comfortable grip.

Corrosion-Resistant
Adjustable Wrenches

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

Adjustable Wrenches

Cushion-Grip Adjustable Wrenches

The handle is covered in plastic for a comfortable grip.

Wide-Opening Tight-Clearance
Adjustable Wrenches

The jaws on these wrenches are shaped to turn slip nuts, jam nuts, and large hex nuts.

Cushion-Grip Adjustable Wrench Sets

Cushion-Grip Adjustable Wrench Sets

The handles are covered in plastic for a comfortable grip.

Adjustable Wrench Sets

Adjustable Wrench Sets

Square Drive Sockets and Ratchet Wrenches

Secure-Grip Tight-Clearance
Offset Sockets

Secure-Grip Tight-Clearance Offset Sockets

The opening shape makes more contact with fasteners for a better grip than standard open-end sockets. Also known as flare-nut or line wrench sockets, they're often used with flared tube fittings and fuel and hydraulic lines.

Ratcheting Box-End
Tight-Clearance Offset Sockets

A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket.

Ratcheting Box-End
Tight-Clearance Offset Socket Sets

A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket.

Secure-Grip Tight-Clearance
Offset Socket Sets

The opening shape makes more contact with fasteners for a better grip than standard open-end sockets. Also known as flare-nut or line wrench sockets, they're often used with flared tube fittings and fuel and hydraulic lines.

Spanner Wrenches

Hook Spanner Wrenches
for Slots on the Side

Fit these wrenches into slots on the circumference of collars, bearings, and other machine tool components.

Adjustable Hook Spanner
Wrenches for Slots on the Side

The head pivots to accommodate a range of diameters.

Corrosion-Resistant Adjustable
Hook Spanner Wrenches
for Slots on the Side

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

Adjustable Hook Spanner Wrench
Sets for Slots on the Side

Adjustable Hook Spanner Wrench Sets for Slots on the Side

Corrosion-Resistant Adjustable
Hook Spanner Wrench
Sets for Slots on the Side

Corrosion-Resistant Adjustable Hook Spanner Wrench Sets for Slots on the Side

Made of stainless steel, these wrenches have excellent corrosion resistance.

Hook Spanner Wrench
Sets for Slots on the Side

Hook Spanner Wrench Sets for Slots on the Side

Sets include various sizes of wrenches that fit into slots on the circumference of collars, bearings, and other machine tool components.

Pin Spanner Wrenches
for Holes on the Side

These wrenches are shaped to fit round holes on the circumference of collars, bearings, and other machine tool components.

Adjustable Pin Spanner
Wrenches for Holes on the Side

The head pivots to accommodate a range of diameters.

Dual-Size Adjustable Pin Spanner
Wrenches for Holes on the Face

Change out the pins when you need to fit different hole sizes on the face of collars, bearings, and other machine tool components.

Square Drive Dual-Size
Adjustable Pin Spanner
Wrenches for Holes on the Face

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Use your ratchet wrench as a handle.

Pin Spanner Wrenches
for Holes on the Face

Grip the round holes on the face of collars, bearings, and other machine tool components.

Adjustable Pin Spanner
Wrenches for Holes on the Face

Hinged for adjustability, these wrenches fit a range of diameters.

Tight-Clearance Adjustable
Pin Spanner Wrenches
for Holes on the Face

The slim profile fits the flanges and nuts on the backing pads of portable sanders and grinders.

Adjustable Pin Spanner Wrench
Sets for Holes on the Side

Adjustable Pin Spanner Wrench Sets for Holes on the Side

The head pivots to accommodate a range of diameters.

Water and Gas Shut-Off Wrenches

Water and Gas Shut-Off Wrenches

Turn off the main supply of water or gas at the point it enters your facility.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)