Allen Tips | McMaster-Carr

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System of Measurement

Drive Size

Tip Style

Sold As

Overall Length

15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

1 5/16" to 2 1/8"

Driver Style

Square Drive Size

Length

15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 1/4" to 4 11/16"

1 5/16" to 2 1/8"

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Flake Coated

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Grip Style

Socket Style

Long Leg Length

Relative Length

Shank Type

Knurled-End Hex

Quick-Change Hex

Color

Fluorescent Orange

RoHS

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

REACH

Number of Pieces

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Short Leg Length

Wrench Opening Shape

12-Point Sure Grip

Performance

Adjustable Length

Changeable Shaft

Corrosion Resistant

Drop Prevention

Electrically Insulating

Fastener Holding

High Visibility

Precise Control

How can we improve?

3,848 Products

Fastening and Joining

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

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 Adapters

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

L-Keys

Turn fasteners from either end and reach into tight spots

Impact Drivers

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

L-Key Handles

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

Driver Extension Adapters

Driver Extension Adapters

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

Socket Bits

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

Bit Sockets

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Sockets

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

Wrench Heads

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

Backup Wrenches

Backup Wrenches

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

Fabricating and Machining

Lathe Tool Insert Holder Hex Keys

Lathe Tool Insert Holder Hex Keys

Replace the hex keys for your lathe tool insert holder

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