Nutdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

External 8-Point

External 12-Point

External Octagon

External Pentagon

External Square

External Torx Plus

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Sold As

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Grip Style

Square Drive Size

Driver Style

Bolt Clearance

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Shank Type

Quick-Change Hex

Bolt Clearance Type

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Socket Shape

Handle Color

Fastener-Holding Mechanism

Spring-Loaded Ball

Shaft Length

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Shaft Overall Width

Socket Style

REACH

RoHS

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Tip Style

How can we improve?

4,706 Products

Fastening and Joining

Nutdrivers

Tighten and loosen nuts and bolts

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nut Starters

Begin turning nuts in hard-to-reach spots

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Screwdrivers

Tighten and loosen screws

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

L-Key Handles

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

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Drivers

Tighten and loosen sockets from above when there isn't room to swing a standard wrench

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Socket Wrenches

Socket Wrenches

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Wrench Heads

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

Wrench Handles

Generate extra torque to loosen stubborn fasteners; also known as breaker bars

Impact Wrenches

Impact Wrenches

Maximize torque to break frozen bolts free and drive fasteners more quickly than other wrenches

Socket Inserts

Slip into sockets to keep fasteners from falling out

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Backup Wrenches

Backup Wrenches

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

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Containers, Storage, and Furniture

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

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