Allen Screwdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

Drilled Spanner

External 12-Point

External Square

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Tip Style

Square Drive Size

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Overall Length

15/16" to 1 1/8"

Driver Style

Bolt Clearance Type

Socket Shape

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Socket Style

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Grip Style

OD

Wrench Style

Number of Pieces

Drive Type

Wrench Opening Shape

12-Point Sure Grip

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

REACH

Shaft Length

Head Style

Socket Type

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5,511 Products

Fastening and Joining

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

T-Handle Keys

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

L-Keys

Turn fasteners from either end and reach into tight spots

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

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Impact Drivers

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

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Box Wrenches

Grip all sides of a fastener to prevent slipping

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Socket Bits

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

Wrench Heads

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

Water Meter Wrenches

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

Containers, Storage, and Furniture

Bit Organizers

Store and organize several sizes and styles of bits

Hex Key Organizers

Hex Key Organizers

Store L-keys and T-handle keys according to size

Screwdriver Organizers

Screwdriver Organizers

Keep screwdrivers sorted at your workstation or on the go

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

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