4 mm Screwdrivers | McMaster-Carr

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Drive Style

Drilled Spanner

External 12-Point

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Drive Size

System of Measurement

Tip Style

Driver Style

Sold As

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 3/4"

1 1/2" to 1 7/8"

Grip Style

Number of Pieces

Container Type

Compartmented Plastic Box

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Socket Shape

Driver Type

Finish

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Number of Sizes

Handle Material

Material

Beryllium Copper

Stainless Steel

Shank Type

Knurled-End Hex

Quick-Change Hex

Socket Style

Hex Shank Size

Relative Length

For Bit Shank Type

Performance

Corrosion Resistant

Drop Prevention

Electrically Insulating

Fastener Holding

RoHS

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

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308 Products

Fastening and Joining

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

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

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Nutdrivers

Tighten and loosen nuts and bolts

Driver Shafts

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Bit Sockets

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

Sockets

Turn fasteners with an external 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.)