Metric Allen Hex Bits | McMaster-Carr

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Drive Style

Drilled Spanner

External 12-Point

External Square

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

System of Measurement

Drive Size

Tip Style

Shank Type

Knurled-End Hex

Quick-Change Hex

Overall Length

15/16" to 1 1/8"

Driver Style

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Hex Shank Size

Square Drive Size

Socket Style

Number of Pieces

Container Type

Compartmented Plastic Box

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Socket Shape

Bit-Holding Mechanism

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Drive Type

Bolt Clearance Type

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RoHS

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Unit of Measure

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1,935 Products

Fastening and Joining

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Bit Adapters

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

Bit Sockets

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

Sockets

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

Socket Bits

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

Wrench Heads

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

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