Metric Hex Bits | McMaster-Carr

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System of Measurement

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Drilled Spanner

External 12-Point

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Tamper-Resistant Hex

Tamper-Resistant Torx

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Overall Length

15/16" to 1 1/8"

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Socket Style

Shank Type

Quick-Change Hex

Length

15/16" to 1 1/8"

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Aluminum Bronze

Stainless Steel

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Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

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

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Export Control Classification Number (ECCN)

DFARS Specialty Metals

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Fabric Roll-Up Pouch

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How can we improve?

1,665 Products

Fastening and Joining

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

T-Handle Keys

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Bit Adapters

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

L-Key Handles

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

Fabricating and Machining

Drill Bits

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

Drill Taps

Drill and thread holes with the same bit

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