Hex Tools | McMaster-Carr

Filter by

System of Measurement

Drive Size

Overall Length

15/16" to 1 1/8"

Sold As

Square Drive Size

Tip Style

Driver Style

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Bolt Clearance Type

Socket Shape

Material

Aluminum Bronze

Beryllium Copper

Carbide-Tipped Steel

Stainless Steel

Shank Type

Knurled-End Hex

Quick-Change Hex

Wrench Style

Socket Style

Wrench Opening Shape

12-Point Sure Grip

OD

Grip Style

Number of Pieces

Head Style

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Drive Type

Thread Size

4-40 to 5/16"-32

How can we improve?

7,889 Products

Fastening and Joining

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

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

Screwdrivers

Tighten and loosen screws

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

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Bit Adapters

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

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Impact Drivers

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

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Combination Wrenches

Combination Wrenches

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

Wrench Heads

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

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

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

Water Meter Wrenches

Water Meter Wrenches

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

The flange distributes pressure, so you don't need a washer

Fabricating and Machining

Broaches

Install in an arbor press, milling machine, or CNC machine to cut shapes into existing holes

Chisel Bits

Pair with powered hammers or needle scalers to chip material off of workpieces

Dies

Cut or restore external threads on fasteners, pipe, or conduit

Tap, Die, and Thread File Sets

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

Tap and Die Wrench Sets

Tap and Die Wrench Sets

Switch between internal and external threading with interchangeable tap and die adapters

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

Tap and Die Sets

Tap and Die Sets

Cut and repair internal and external threads in many sizes

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Countersinks

Cut a cone-shaped opening in a hole to install flat-head screws and rivets flush with the surface

Drill Taps

Drill and thread holes with the same bit

Drill Bits

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

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

Containers, Storage, and Furniture

Hex Key Organizers

Hex Key Organizers

Store L-keys and T-handle keys according to size

Bit Organizers

Store and organize several sizes and styles of bits

Screwdriver Organizers

Screwdriver Organizers

Keep screwdrivers sorted at your workstation or on the go

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

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