Allen Wrench Sets | McMaster-Carr

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System of Measurement

Tip Style

Drive Style

Drilled Spanner

External 12-Point

Tamper-Resistant Hex

Tamper-Resistant Torx

Number of Pieces

Driver Style

Sold As

Container Type

Compartmented Metal Box

Compartmented Plastic Box

Fabric Roll-Up Pouch

Metal Clip Rail

Metal Wall-Mount Case

Plastic Clip Rail

Plastic Roll-Up Pouch

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Nitride (TiN) Coated

Zinc Flake Coated

Drive Size

Color

Fluorescent Orange

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

1 5/16" to 2 1/8"

1 5/16" to 4 11/16"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 5/16" to 6 15/16"

Relative Length

Material

Beryllium Copper

Stainless Steel

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

1 5/16" to 2 1/8"

1 5/16" to 4 11/16"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 5/16" to 6 15/16"

Ball Location

Performance

Changeable Shaft

Corrosion Resistant

Drop Prevention

Electrically Insulating

Extra Clearance

Fastener Holding

High Visibility

Grip Style

Driver Type

Maximum Access Angle

Number of Sizes

Handle Material

REACH

RoHS

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

How can we improve?

519 Products

L-Keys

Easy-Align Ball-Tip L-Key Sets

Easy-Align Ball-Tip L-Key Sets

Reach corners and tight spaces with the sizes you use most

L-Key Sets

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

Color-Coded Easy-Align Ball-Tip L-Key Sets

Color-Coded Easy-Align Ball-Tip L-Key Sets

Take the guesswork out of picking the right drive size

Stubby Easy-Align Ball-Tip L-Key Sets

Stubby Easy-Align Ball-Tip L-Key Sets

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

Fold-Up L-Key Sets

Fold-Up L-Key Sets

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

Screw-Holding Easy-Align Ball-Tip L-Key Sets

Screw-Holding Easy-Align Ball-Tip L-Key Sets

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

Easy-Align Ball-Tip L-Key Assortments

Easy-Align Ball-Tip L-Key Assortments

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

Wall-Mount L-Key Sets

Wall-Mount L-Key Sets

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

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

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

L-Key Assortments

L-Key Assortments

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

Easy-Align Ball-Tip Fold-Up L-Key Sets

Easy-Align Ball-Tip Fold-Up L-Key Sets

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

Nonsparking L-Key Sets

Nonsparking L-Key Sets

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

Screw-Holding L-Key Sets

Screw-Holding L-Key Sets

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

Wall-Mount Easy-Align Ball-Tip L-Key Sets

Wall-Mount Easy-Align 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

Bit Sockets

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

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

Screwdrivers

Tighten and loosen screws

Hex Key Organizers

Hex Key Organizers

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

Socket Bits

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

Nutdrivers

Tighten and loosen nuts and bolts

Torque-Limiting Keys

Torque-Limiting Keys

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

Sockets

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

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