5.5 mm Wrenches | McMaster-Carr

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Wrench Opening Shape

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Drive Style

External 12-Point

External Square

Head Style

Head Thickness

Number of Pieces

Overall Length

2 3/4" to 4 3/8"

2 3/4" to 5 1/2"

2 7/8" to 7 1/8"

2 7/8" to 7 3/16"

4 3/4" to 6 7/8"

Material

Wrench Type

Finish

Phosphate Coated

Ratcheting

Length

2 3/4" to 4 3/8"

2 3/4" to 5 1/2"

2 7/8" to 7 1/8"

2 7/8" to 7 3/16"

4 3/4" to 6 7/8"

Number of Heads

Relative Length

Performance

Precise Control

Tight Clearance

Square Drive Size

Tip Style

Opening Angle

Appearance

DFARS Specialty Metals

REACH

RoHS

Export Control Classification Number (ECCN)

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44 Products

Fastening and Joining

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Combination Wrenches

Combination Wrenches

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

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Screwdrivers

Tighten and loosen screws

L-Keys

Turn fasteners from either end and reach into tight spots

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

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