Metric Box Wrenches | McMaster-Carr

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Wrench Style

System of Measurement

Drive Size

Wrench Opening Shape

Head Style

Sold As

Drive Style

External 12-Point

External Spline

External Square

Ratcheting or Nonratcheting

Overall Length

3 1/4" to 5 1/2"

3 3/8" to 4 5/16"

3 1/2" to 5 3/8"

3 1/2" to 5 1/2"

3 19/32" to 8 41/64"

3 3/4" to 5 1/2"

3 3/4" to 9 3/16"

Finish

Material

Aluminum Bronze

Stainless Steel

Appearance

Number of Pieces

Head Thickness

Wrench Type

Opening Angle

Head Offset Angle

Number of Heads

Container Type

Fabric Roll-Up Pouch

Plastic Organizer

Plastic Roll-Up Pouch

REACH

RoHS

For Use With

Screws and Nuts

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Jaw Type

Specifications Met

Fed. Spec. GGG-W-001405

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388 Products

Fastening and Joining

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

Box Wrenches

Grip all sides of a fastener to prevent slipping

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Containers, Storage, and Furniture

Wrench Organizers

Wrench Organizers

Keep wrenches in order at your workstation or when carrying them around your facility

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