Screw Bits | McMaster-Carr

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System of Measurement

Drive Size

Shank Type

Knurled-End Hex

Quick-Change Hex

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Hex Shank Size

Screw Size

Driver Style

Tip Style

Sold As

Square Drive Size

Material

Stainless Steel

For Bit Shank Type

Quick-Change Hex

Number of Pieces

Socket Style

Bit-Holding Mechanism

Magnetic Quick-Change Chuck

Magnetic Twist Lock

Quick-Change Chuck

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Container Type

Canvas Roll-Up Pouch

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

For Bit Hex Shank Size

Shaft Length

Grip Style

How can we improve?

2,420 Products

Fastening and Joining

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Bit Adapters

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

One-Way Screw Remover Bits

One-Way Screw Remover Bits

Use with a nutdriver to loosen one-way screws

Screwdrivers

Tighten and loosen screws

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Wing Nut Driver Bits

Wing Nut Driver Bits

Use with power tools to hold and turn wing nuts

Wood Screw Threaded Stud Driver Bits

Wood Screw Threaded Stud Driver Bits

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

Eyebolt and Hook Driver Bits

Eyebolt and Hook Driver Bits

Install and remove eyebolts and screw-in hooks

Hanger Bolt Driver Bits

Hanger Bolt Driver Bits

Turn flat-end bolts and screws

Threaded Rod and Stud Driver Bits

Threaded Rod and Stud Driver Bits

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

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

Fabricating and Machining

Countersinks

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

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

Containers, Storage, and Furniture

Bit Organizers

Store and organize several sizes and styles of bits

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