Allen Keys | McMaster-Carr

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System of Measurement

Drive Size

Tip Style

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Driver Style

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Flake Coated

Zinc Phosphate Coated

Overall Length

15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

Long Leg Length

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Color

Fluorescent Green

Fluorescent Orange

Relative Length

Short Leg Length

Length

15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

Grip Style

Number of Pieces

Ball Location

Container Type

Canvas Roll-Up Pouch

Compartmented Metal Box

Compartmented Plastic Box

Fabric Roll-Up Pouch

Metal Clip Rail

Metal Wall-Mount Case

Plastic Clip Rail

Performance

Adjustable Length

Changeable Shaft

Corrosion Resistant

Drop Prevention

Electrically Insulating

Fastener Holding

High Visibility

Driver Type

Square Drive Size

RoHS

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

5,084 Products

L-Keys

L-Keys

Precision manufactured L-keys for tightening and loosening screws

Angled-Drive Ball-Tip L-Keys

Angled-Drive Ball-Tip L-Keys

Turn screws at an angle when you can't access them head on

Angled-Drive Ball-Tip L-Key Sets

Angled-Drive Ball-Tip L-Key Sets

Reach corners and tight spaces with the sizes you use most

Stubby Angled-Drive Ball-Tip L-Keys

Stubby Angled-Drive Ball-Tip L-Keys

An extra-short leg squeezes into spots with low overhead clearance

L-Key Sets

Keep a selection of top-quality L-keys on hand, so you always have the size you need

Color-Coded Angled-Drive Ball-Tip L-Key Sets

Color-Coded Angled-Drive Ball-Tip L-Key Sets

Take the guesswork out of picking the right drive size

Stubby Angled-Drive Ball-Tip L-Key Sets

Stubby Angled-Drive Ball-Tip L-Key Sets

An extra-short leg squeezes into spots with low overhead clearance

Screw-Holding Angled-Drive Ball-Tip L-Keys

Screw-Holding Angled-Drive Ball-Tip L-Keys

Grip screws to start and remove them in hard-to-reach places

Nonmagnetic L-Keys

Nonmagnetic L-Keys

Won't damage electronic equipment or attract loose metal parts and shavings

Fold-Up L-Key Sets

Fold-Up L-Key Sets

Tuck into the handle like a Swiss army knife for easy carrying

Screw-Holding Angled-Drive Ball-Tip L-Key Sets

Screw-Holding Angled-Drive Ball-Tip L-Key Sets

Grip a variety of screws to start and remove them in hard-to-reach places

Angled-Drive Ball-Tip L-Key Assortments

Angled-Drive Ball-Tip L-Key Assortments

Multiple keys in common sizes provide backups that reach corners and tight spaces

Nonsparking L-Keys

Nonsparking L-Keys

Won't create sparks when scraped, struck, or dropped

Wall-Mount L-Key Sets

Wall-Mount L-Key Sets

Mount at your workstation so your L-keys are always in reach

Tight-Clearance Flexible Spring-Joint L-Keys

Tight-Clearance Flexible Spring-Joint L-Keys

Bend around obstacles to access screws in hard-to-reach spots

Tight-Clearance Flexible Spring-Joint L-Key Sets

Tight-Clearance Flexible Spring-Joint L-Key Sets

Bend around obstacles to access screws in hard-to-reach spots

Quick-Change Fold-Up L-Key Sets

Quick-Change Fold-Up L-Key Sets

Select the key you need without unstacking the others from the handle

Angled-Drive Ball-Tip Fold-Up L-Key Sets

Angled-Drive Ball-Tip Fold-Up L-Key Sets

Turn screws at an angle and tuck away like a Swiss army knife for easy carrying

L-Key Assortments

L-Key Assortments

Never run out of the L-key sizes you use most

Nonsparking L-Key Sets

Nonsparking L-Key Sets

Won't create sparks when scraped, struck, or dropped

Screw-Holding L-Keys

Screw-Holding L-Keys

Place and start screws or remove fasteners in hard-to-reach spots

Screw-Holding L-Key Sets

Screw-Holding L-Key Sets

Start screws or remove fasteners in tight spots with the sizes you use most

Electrically-Insulating L-Keys

Electrically-Insulating L-Keys

Prevent a dangerous zap if you accidentally touch a live circuit

Tight-Clearance Pivoting L-Key Sets

Tight-Clearance Pivoting L-Key Sets

Fasten in cramped, obstructed spaces without ever lifting the tool off the fastener

Electrically Insulating L-Key Sets

Electrically Insulating L-Key Sets

Reach screws of various sizes when working near live electrical circuits

Wall-Mount Angled-Drive Ball-Tip L-Key Sets

Wall-Mount Angled-Drive Ball-Tip L-Key Sets

Store L-keys that work in corners and tight spaces within reach

Other Products

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

Bit Sockets

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

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

Socket Bits

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Screw Starters

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

Impact Drivers

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

Hex Key Organizers

Hex Key Organizers

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

Sockets

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

Torque-Limiting Keys

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Lathe Tool Insert Holder Hex Keys

Lathe Tool Insert Holder Hex Keys

Replace the hex keys for your lathe tool insert holder

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

Bit Adapters

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

Bit Organizers

Store and organize several sizes and styles of bits

Lathe Chuck Keys

Lathe Chuck Keys

A long T-handle gives leverage to open tight lathe chucks

Screwdriver Organizers

Screwdriver Organizers

Keep screwdrivers sorted at your workstation or on the go

L-Key Handles

Comfort with every turn—these upgrade your L-keys into T-handle keys

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