Metric Hex Bits | McMaster-Carr

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System of Measurement

Unit of Measure

Drive Style

Drilled Spanner

External 12-Point

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Drive Size

Tip Style

Shank Type

Knurled-End Hex

Quick-Change Hex

Overall Length

15/16" to 1 1/8"

Hex Shank Size

Driver Style

Sold As

Square Drive Size

Socket Style

Material

Aluminum Bronze

Stainless Steel

Socket Shape

For Bit Shank Type

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Number of Pieces

Screw Size

Drive Type

RoHS

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Bolt Clearance Type

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Bit-Holding Mechanism

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1,903 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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

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

Bit Sockets

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

Socket Bits

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

Sockets

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Wrench Heads

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Fabricating and Machining

Drill Taps

Drill and thread holes with the same bit

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

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