Hex Heads | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Material

Fastener Head Type

Threading

Threaded on Both Ends

Finish

Corrosion-Resistant Coated

Diamond Coated

Dyed

Galvanic Barrier Coated

Galvanized

Hot-Dipped Galvanized

Magnesium Phosphate Coated

Fastener Strength Grade/Class

Head Width

Thread Pitch

Screw Features

Thread Spacing

Head Height

Thread Type

UN/UNF (SAE Straight)

Drive Size

Specifications Met

Federal Specification

Thread Direction

Screw Size

Tensile Strength

Less than 100,000 psi

100,000 psi to 119,999 psi

120,000 psi to 129,999 psi

130,000 psi to 149,999 psi

150,000 psi or greater

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Grip Length

Export Control Classification Number (ECCN)

22,465 Products

Fastening and Joining

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

11,503 products

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

1,093 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

4 products

Wood Screws

Fasten material to wood or pieces of wood to each other

452 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

92 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

35 products

Concrete Screws

Anchor parts to concrete, block, and brick without tapping the hole first

72 products

Thumb Screws

Tighten and loosen by hand without the need for tools

22 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

2,748 products

Screwdriver Bits

Pair with drivers to turn screws

984 products

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

93 products

Screwdrivers

Tighten and loosen screws

230 products

T-Handle Keys

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

422 products

Bit Adapters

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

63 products

Impact Drivers

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

1 product

Threaded Rod and Stud Driver Bits

Quickly install threaded rods and studs with a cordless drill, instead of by hand

2 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

17 products

One-Way Screw Remover Bits

Use with a nutdriver to loosen one-way screws

7 products

Eyebolt and Hook Driver Bits

Install and remove eyebolts and screw-in hooks

4 products

Wing Nut Driver Bits

Use with power tools to hold and turn wing nuts

1 product

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

5 products

Wood Screw Threaded Stud Driver Bits

Install wood screw threaded studs, which are also known as dowel screws

3 products

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

4 products

Bit Sockets

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

781 products

Sockets

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

1,800 products

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

571 products

Socket Bits

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

37 products

Box Wrenches

Grip all sides of a fastener to prevent slipping

347 products

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

1 product

Wrench Heads

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

135 products

Water Meter Wrenches

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

1 product

Fluid Handling

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

718 products

Electrical

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Building and Machinery Hardware

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

1 product

Protective Caps

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

17 products

Fabricating and Machining

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 products

Containers, Storage, and Furniture

Hex Key Organizers

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

14 products

Bit Organizers

Store and organize several sizes and styles of bits

6 products