5.5 mm Hex Drivers | McMaster-Carr

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Drive Style

External 12-Point

External Square

System of Measurement

Drive Size

Driver Style

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Grip Style

Socket Shape

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"

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

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Number of Pieces

Finish

Phosphate Coated

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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"

Long Leg Length

Handle Material

Driver Type

Wrench Style

Surface Resistivity

1× 10^9 ohm/sq. to 1× 10^11 ohm/sq.

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DFARS Specialty Metals

REACH

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Export Control Classification Number (ECCN)

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51 Products

Fastening and Joining

Screwdrivers

Tighten and loosen screws

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nutdrivers

Tighten and loosen nuts and bolts

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

Sockets

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

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

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