Metric Box Wrench Sets | McMaster-Carr

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30 Products

Economy Combination Wrench Sets

Plastic Organizer

Fabric Roll-Up Pouch

Suitable for occasional maintenance work, these sets are imported.

Polished wrenches have a mirror-like finish.

		Box End	Open End
Drive Size	Overall Lg.	Offset Angle	Opening Angle	Material	Appearance	Container Type		Each
Inch/Metric Wrench Sets—12-Point Box Opening
22-Piece Sets
1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/8" 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	4"-10 7/32"	15°	15°	Chrome-Plated Steel	Dull	Plastic Organizer	0000000	000000
Metric Wrench Sets—12-Point Box Opening
6-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm	7 5/16"-10 3/16"	15°	15°	Steel	Polished	Plastic Organizer	000000	00000
11-Piece Sets
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 17 mm 19 mm	5 1/8"-9 7/8"	15°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	000000	00000
14-Piece Sets
6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 19/32"-8 41/64"	15°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	000000	00000

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. Wrenches with a 12-point opening are easier to position on hex fasteners than wrenches with a 6-point opening but make less contact. Polished wrenches have a mirror-like finish.

Metric Wrench Sets—6-Point Box Opening
Drive Size	Overall Lg.	Box-End Head Offset Angle	Open-End Opening Angle	Material	Finish	Appearance	Container Type	Specifications Met		Each
11-Piece Sets
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 17 mm 19 mm	5 3/16"-11 1/16"	15°	15°	Steel	Chrome Plated	Polished	Fabric Roll-Up Pouch	__	0000000	0000000
Metric Wrench Sets—12-Point Box Opening
11-Piece Sets
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 17 mm 19 mm	5 1/4"-10 1/8"	15°	15°	Steel	Chrome Plated	Dull	Fabric Roll-Up Pouch	__	0000000	000000
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 17 mm 19 mm	5 1/4"-10 1/8"	15°	15°	Steel	Chrome Plated	Polished	Fabric Roll-Up Pouch	__	0000000	000000
15-Piece Sets
7 mm 8 mm 10 mm 12 mm 14 mm 16 mm 18 mm 20 mm 22 mm 24 mm 26 mm 27 mm 30 mm 32 mm	5 3/8"-17"	15°	15°	Steel	Chrome Plated	Polished	Fabric Pouch	__	0000000	000000
17-Piece Sets
6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm 20 mm 21 mm 22 mm	5"-11 3/4"	15°	15°	Steel	Chrome Plated	Dull	Fabric Pouch	__	0000000	000000
18-Piece Sets
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm 20 mm 21 mm 22 mm 23 mm 24 mm	5 1/4"-12 3/4"	15°	15°	Steel	Chrome Plated	Polished	Fabric Roll-Up Pouch	ASME B107.100	0000000	000000

Corrosion-Resistant Combination Wrench Sets

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

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Box Opening
Drive Size	Overall Lg.	Box-End Head Offset Angle	Open-End Opening Angle	Material	Specifications Met		Each
11-Piece Sets
6 mm 8 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 19 mm	3 3/4"-9 3/16"	15°	15°	Stainless Steel	DIN 3113	000000000	0000000

Stubby Combination Wrench Sets

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

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Box Opening
Drive Size	Overall Lg.	Box-End Head Offset Angle	Open-End Opening Angle	Material	Appearance	Container Type	Specifications Met		Each
7-Piece Sets
7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm	3 3/8"-4 5/16"	15°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	__	0000000	0000000
14-Piece Sets
6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 1/4"-5 1/2"	15°	15°	Chrome-Plated Steel	Polished	Plastic Roll-Up Pouch	ASME B107.100	00000000	000000

Premium Reversible Ratcheting 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. A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench. Flip the lever to reverse the ratchet.

For technical drawings and 3-D models, click on a part number.

		Box End
Drive Size	Overall Lg.	Head Offset Angle	Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
Metric Wrench Sets—12-Point Box Opening
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	7 1/16"-12"	15°	4.5°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	0000000	0000000

Economy Reversible Ratcheting Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported. A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench. Flip the lever to reverse the ratchet.

		Box End
Drive Size	Overall Lg.	Head Offset Angle	Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Specifications Met	Container Type		Each
Metric Wrench Sets—12-Point Box Opening
4-Piece Sets
21 mm 22 mm 24 mm 25 mm	5 1/4"-9 3/4"	15°	5°	15°	Chrome-Plated Steel	Polished	ASME B107.100	Plastic Roll-Up Pouch	00000000	0000000
8-Piece Sets
8 mm 10 mm 12 mm 13 mm 14 mm 15 mm 17 mm 19 mm	5 1/2"-9 5/8"	15°	5°	15°	Chrome-Plated Steel	Polished	ASME B107.100	Plastic Tray	0000000	000000

Ratcheting Combination Wrench Sets

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench. Flip over these tools to ratchet in the opposite direction. Wrenches are polished for a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Box Opening
Drive Size	Overall Lg.	Box-End Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	7 1/16"-12"	4.5°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	0000000	0000000

Flex-Head Ratcheting Combination Wrench Sets

Pivot the box end for access to fasteners in tight spots. These wrenches have a ratchet mechanism that allows you to turn fasteners without removing and repositioning the tool. These wrenches are polished for a mirror-like finish.

		Flex-Head Box End
Drive Size	Overall Lg.	Flex Range of Motion	Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance		Each
Metric Wrench Sets—12-Point Box Opening
Vertical Flex—12-Piece Sets
8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	5 1/2"-9 5/16"	180°	4°	15°	Chrome-Plated Steel	Polished	0000000	0000000

Economy Stubby Ratcheting Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported. When working in tight spaces, their short length fits where others can't. A ratchet mechanism turns fasteners without removing and repositioning the wrench. Flip over to ratchet in the opposite direction.

Metric Wrench Sets—12-Point Box Opening
Drive Size	Overall Lg.	Box-End Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Specifications Met		Each
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 3/4"-5 1/2"	5°	15°	Chrome-Plated Steel	Polished	ASME B107.100	0000000	0000000

Premium Stubby Ratcheting 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. When working in tight spaces, their short length fits where others can't. A ratchet mechanism turns fasteners without removing and repositioning the wrench. Flip over to ratchet in the opposite direction. Wrenches are polished to a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Box Opening
Drive Size	Overall Lg.	Box-End Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 1/2"-5 3/8"	5°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	0000000	0000000

Reversible Stubby Ratcheting Combination Wrench Sets

A lever reverses the ratchet direction. When working in tight spaces, these short wrenches fit where others can't. A ratchet mechanism allows you to turn fasteners without removing and repositioning the tool. Wrenches are polished to a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

		Box End
Drive Size	Overall Lg.	Head Offset Angle	Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
Metric Wrench Sets—12-Point Box Opening
12-Piece Sets
8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 1/2"-5 1/2"	15°	6°	15°	Chrome-Plated Steel	Polished	Plastic Tray	0000000	0000000

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. These wrenches have a ratchet mechanism that allows you to turn fasteners in tight spaces without removing and repositioning the tool. Wrenches are polished for a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

Box End				Open End
External Hex/12-Point Size	External Spline Size	Head Offset Angle	Turn Required to Ratchet	External 12-Point Size	Opening Angle	Overall Lg.	Material	Container Type		Each
Metric Wrench Sets
14-Piece Sets
6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	No. 6 No. 7 No. 8 No. 9 No. 10 No. 11 No. 12 No. 13 No. 14 No. 15 No. 16 No. 17 No. 18 No. 19	15°	5°	6 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	15°	4 15/16"-11 1/16"	Chrome-Plated Steel	Plastic Roll-Up Pouch	0000000	0000000

Box-End Wrench Head Sets

Wrench Not Included

Attach one of the heads in these sets to a torque wrench for more leverage to loosen a stubborn fastener. Also known as torque adapters. You can easily calculate your desired torque setting with the precise 2” center-to-center length. The wrench heads can also be connected to an extension to reach fasteners when vertical clearance is limited. The box end grips all sides of the fastener to prevent slipping. For use with hand-drive tools only.

3/8" Square Drive
No. of Pieces	Includes	Center-to-Center Lg.	Material		Each
10	Wrench Heads: 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm	2"	Chrome-Plated Steel	000000000	000000

Snap-Open Ratcheting Box-End Wrench Head Sets

Wrench and Socket Extension Not Included

Get a strong grip in tight areas, even on fasteners that are rounded or damaged. Open the spring-loaded jaws in these heads to access a fastener like an open-end wrench; the jaws will automatically close when you push against the fastener. The 6-point opening grips hex heads on all sides. Also known as crowfoot wrenches. Attach one to a socket extension to reach obstructed fasteners. With the ratcheting feature, you can turn the fastener without removing and repositioning the wrench head.

3/8" Square Drive
No. of Pieces	Includes	Turn Required to Ratchet	Material	Wrench Opening Shape	Container Type		Each
6	Wrench Heads: 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm	15°	Stainless Steel	6-Point	Foam Tray	000000000	0000000

Deep-Offset Box Wrench Sets

The heads are offset 45° to provide clearance for reaching over obstructions.

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Openings
Sizes Included	Overall Lg.	Head Offset Angle	Material	Appearance	Container Type	Specifications Met		Each
5-Piece Sets
10 mm × 11 mm 12 mm × 13 mm 14 mm × 15 mm 16 mm × 18 mm 17 mm × 19 mm	8 5/8"-11 7/8"	45°	Chrome-Plated Steel	Dull	Fabric Roll-Up Pouch	ASME B107.100	0000000	0000000

Ratcheting Box Wrench Sets

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench. The smaller the turn required to ratchet, the less clearance you need to engage the ratchet. These wrenches are polished for a mirror-like finish.

Metric Wrench Sets—6-Point and 12-Point Openings
Sizes Included	Overall Lg.	Turn Required to Ratchet	Material	Container Type	Specifications Met		Each
5-Piece Sets
6-Point: 7 mm × 8 mm, 9 mm × 10 mm, 11 mm × 13 mm, 12 mm × 14 mm 12-Point: 15 mm × 17 mm	4 1/2"-8 1/8"	25°	Chrome-Plated Steel	Plastic Pouch	Fed. Spec. GGG-W-001405	0000000	000000
Metric Wrench Sets—12-Point Openings
3-Piece Sets
9 mm × 10 mm 13 mm × 14 mm 15 mm × 17 mm	5 1/2"-8 1/8"	25°	Chrome-Plated Steel	Plastic Pouch	Fed. Spec. GGG-W-001405	0000000	00000
5-Piece Sets
7 mm × 8 mm 9 mm × 10 mm 11 mm × 12 mm 13 mm × 14 mm 15 mm × 17 mm	4 1/2"-9 1/4"	25°	Chrome-Plated Steel	Plastic Caddy	Fed. Spec. GGG-W-001405	0000000	00000

Deep-Offset Ratcheting Box Wrench Sets

The heads are offset to provide clearance for reaching over obstructions. These wrenches have a ratchet mechanism that allows you to turn fasteners in tight spaces without removing and repositioning the tool. The smaller the turn required to ratchet, the less clearance you need to engage the ratchet. They are polished for a mirror-like finish.

Metric Wrench Sets—6-Point and 12-Point Openings
Sizes Included	Overall Lg.	Head Offset Angle	Turn Required to Ratchet	Material	Specifications Met	Drive Size - 2	Drive Size		Each
5-Piece Sets
6-Point: 7 mm × 8 mm, 9 mm × 10 mm, 11 mm × 13 mm, 12 mm × 14 mm 12-Point: 15 mm × 17 mm	4 1/4"-8"	25°	25°	Chrome-Plated Steel	Fed. Spec. GGG-W-001405	8 mm, 10 mm, 13 mm, 14 mm, 17 mm	7 mm, 9 mm, 11 mm, 12 mm, 15 mm	0000000	000000

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, allowing you to turn fasteners without removing and repositioning the tool. The smaller the turn required to ratchet, the less clearance you need to engage the ratchet.

For technical drawings and 3-D models, click on a part number.

Metric Wrench Sets—12-Point Opening
Sizes Included	Overall Lg.	Turn Required to Ratchet	Material	Finish	Container Type		Each
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	5 7/16"-7 1/4"	30°	Steel	Black Oxide	Plastic Roll-Up Pouch	0000000	0000000