Metric Allen Wrenches | McMaster-Carr

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Driver Extension Adapters

Lathe Tool Insert Holder Replacement Parts

Torque-Limiting Keys

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Hex with Pilot Recess

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System of Measurement

Drive Size

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Finish

Phosphate Coated

Zinc Flake Coated

Color

Material

Beryllium Copper

Stainless Steel

Relative Length

Length

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"

1 3/4" to 4 9/16"

1 3/4" to 4 5/8"

1 3/4" to 4 11/16"

Number of Pieces

Long Leg Length

Overall Length

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"

1 3/4" to 4 9/16"

1 3/4" to 4 5/8"

1 3/4" to 4 11/16"

Container Type

Compartmented Metal Box

Compartmented Plastic Box

Metal Wall-Mount Case

Plastic Roll-Up Pouch

Short Leg Length

Ball Location

Performance

Corrosion Resistant

Electrical Insulating

Tight Clearance

Driver Type

Grip Style

RoHS

REACH

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Maximum Access Angle

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1,860 Products

L-Keys

L-Keys

Precision manufactured L-keys for tightening and loosening screws

L-Keys Sets

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

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

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

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

Nonmagnetic L-Keys

Nonmagnetic L-Keys

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

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

Wall-Mount L-Key Sets

Wall-Mount L-Key Sets

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

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

Screw-Holding L-Key Sets

Screw-Holding L-Key Sets

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

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

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

Screw-Holding L-Keys

Screw-Holding L-Keys

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

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

Nonsparking L-Keys

Nonsparking L-Keys

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

Nonsparking L-Key Sets

Nonsparking L-Key Sets

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

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

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

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

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 Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Driver Extension Adapters

Driver Extension Adapters

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

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.)