2.5 mm Wrenches | McMaster-Carr

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System of Measurement

Drive Style

Drilled Spanner

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Drive Size

Tip Style

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Number of Pieces

Driver Style

Overall Length

1 1/4" to 1 3/8"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 1/2" to 1 7/8"

1 3/4" to 4 3/4"

1 13/16" to 4 3/4"

1 7/8" to 6 7/8"

Finish

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Container Type

Compartmented Plastic Box

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Material

Beryllium Copper

Stainless Steel

Grip Style

Wrench Opening Shape

Relative Length

Length

1 1/4" to 1 3/8"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 1/2" to 1 7/8"

1 3/4" to 4 3/4"

1 13/16" to 4 3/4"

1 7/8" to 6 7/8"

Color

Wrench Style

Driver Type

Performance

Changeable Shaft

Corrosion Resistant

Electrically Insulating

Precise Control

Static Dissipative

Square Drive Size

Ball Location

Head Style

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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247 Products

Fastening and Joining

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Driver Shafts

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Bit Sockets

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

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

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