Hex Key Wrenches | McMaster-Carr

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15/16" to 1 1/8"

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1 1/4" to 4 11/16"

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Magnesium Phosphate Coated

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15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

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5,334 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

L-Key Sets

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

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

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

Nonmagnetic L-Keys

Nonmagnetic L-Keys

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

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

Nonsparking L-Key Sets

Nonsparking L-Key Sets

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

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

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-Keys

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

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

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

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

Place and start screws or remove fasteners 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

Screw-Holding L-Key Sets

Screw-Holding L-Key Sets

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

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

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

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

Driver Shafts

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

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

Socket Organizers

Socket Organizers

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

Screw Starters

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

Sockets

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

Hex Key Organizers

Hex Key Organizers

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Bits

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

Bit Organizers

Store and organize several sizes and styles of bits

Impact Drivers

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

Lathe Tool Insert Holder Hex Keys

Lathe Tool Insert Holder Hex Keys

Replace the hex keys for your lathe tool insert holder

Torque-Limiting Keys

Torque-Limiting Keys

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

Screwdriver Organizers

Screwdriver Organizers

Keep screwdrivers sorted at your workstation or on the go

Driver Extension Adapters

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

Bit Adapters

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

Lathe Chuck Keys

Lathe Chuck Keys

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

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

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.)