Metric Box Wrenches | McMaster-Carr

	System of Measurement System of Measurement

Metric

Inch

	Size Size

	Wrench Style Wrench Style


Box	Combination

Open End

	Opening Shape Opening Shape


Rounded	12-Point

Spline	6-Point

	Head Style Head Style


Standard	Offset

Flex

	Ratcheting or Nonratcheting Ratcheting or Nonratcheting

Nonratcheting

Ratcheting

	Individual/Set Individual/Set

Individual

Set

	For Drive Style For Drive Style


External Hex	External 12- Point

External Square	External Spline

	Overall Length Overall Length

	Finish Finish

Chrome Plated

Black Oxide

	Number of Pieces Number of Pieces

	Appearance Appearance

Polished

Dull

	Head Offset Angle Head Offset Angle

	Number of Heads Number of Heads

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

DFARS Specialty Metals
COTS-Exempt

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

RoHS Compliant

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

REACH Compliant

	Head Thickness Head Thickness

	Opening Angle Opening Angle

10°

15°

22.5°

	Turn Required to Ratchet Turn Required to Ratchet

	Container Type Container Type

Fabric Roll-Up Pouch

Plastic Pouch

Plastic Roll-Up Pouch

	Specifications Met Specifications Met

ASME

Fed. Spec.

	Wrench Opening Shape Wrench Opening Shape

293 Products

Combination Wrenches

Stubby Combination Wrenches

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

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.

Ratcheting Combination Wrenches

Flip these wrenches over to ratchet in the opposite direction.

Reversible Ratcheting Combination Wrenches

A lever reverses the ratchet direction.

Stubby Ratcheting Combination Wrenches

Flip these wrenches over to ratchet in the opposite direction.

Reversible Stubby Ratcheting Combination Wrenches

A lever reverses the ratchet direction.

Combination Wrench Sets

Flex-Head Ratcheting Combination Wrench Sets

Pivot the box end for access to fasteners in tight spots.

Ratcheting Combination Wrench Sets

Flip these wrenches over to ratchet in the opposite direction.

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.

Economy Reversible Ratcheting
Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported.

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.