Allen Key Wrenches | McMaster-Carr

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15/16" to 1 1/8"

1 1/4" to 1 3/8"

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Magnesium Phosphate Coated

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15/16" to 1 1/8"

1 1/4" to 1 3/8"

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6,149 Products

L-Keys

L-Keys

Precision manufactured L-keys for tightening and loosening screws

Easy-Align Ball-Tip L-Keys

Easy-Align Ball-Tip L-Keys

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

Stubby Easy-Align Ball-Tip L-Keys

Stubby Easy-Align 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

Nonsparking L-Key Sets

Nonsparking L-Key Sets

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

Nonsparking L-Keys

Nonsparking L-Keys

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

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

Nonmagnetic L-Keys

Nonmagnetic L-Keys

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

Screw-Holding Easy-Align Ball-Tip L-Keys

Screw-Holding Easy-Align Ball-Tip L-Keys

Grip screws and engage at an angle so you can fasten with one hand in cramped spots

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

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

Wall-Mount L-Key Sets

Wall-Mount L-Key Sets

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

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

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

Grip screws and engage at an angle so you can fasten with one hand in cramped 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

L-Key Assortments

L-Key Assortments

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

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

Screw-Holding L-Keys

Screw-Holding L-Keys

Grip screws securely so you can fasten with one hand

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

Screw-Holding L-Key Sets

Screw-Holding L-Key Sets

Grip screws securely so you can fasten with one hand

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

Screwdrivers

Tighten and loosen screws

Driver Shafts

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Socket Bits

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Sockets

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Wrench Heads

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

Impact Drivers

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

Screw Starters

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

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Torque-Limiting Keys

Torque-Limiting Keys

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

Lathe Tool Insert Holder Hex Keys

Lathe Tool Insert Holder Hex Keys

Replace the hex keys for your lathe tool insert holder

Water Meter Wrenches

Water Meter Wrenches

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Socket Organizers

Socket Organizers

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

Backup Wrenches

Backup Wrenches

Pair with a head and handle to create a wrench that keeps nuts from turning as you tighten bolts

Hex Key Organizers

Hex Key Organizers

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

Bit Organizers

Store and organize several sizes and styles of bits

Screwdriver Organizers

Screwdriver Organizers

Keep screwdrivers sorted at your workstation or on the go

Lathe Chuck Keys

Lathe Chuck Keys

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

Bit Adapters

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

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