Hex Nutdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

Drilled Spanner

External 12-Point

External Spline

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Square Drive Size

Overall Length

15/16" to 1 1/8"

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Bolt Clearance Type

Socket Shape

Wrench Style

Wrench Opening Shape

12-Point Sure Grip

Socket Style

OD

Head Style

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Tip Style

Material

Aluminum Bronze

Stainless Steel

Drive Type

Driver Style

Shank Type

Knurled-End Hex

Quick-Change Hex

Socket Type

REACH

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

Number of Pieces

Head Thickness

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5,179 Products

Fastening and Joining

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nutdrivers

Tighten and loosen nuts and bolts

Screwdrivers

Tighten and loosen screws

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Nut Starters

Begin turning nuts in hard-to-reach spots

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Impact Drivers

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

Bit Adapters

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

Sockets

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

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

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

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Water Meter Wrenches

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

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