Bit Drivers | McMaster-Carr

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System of Measurement

Drive Size

Square Drive Size

Shank Type

Quick-Change Hex

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Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 3/8" to 1 5/8"

For Bit Shank Type

Quick-Change Hex

Driver Style

Tip Style

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For Bit Hex Shank Size

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 3/8" to 1 5/8"

Material

Stainless Steel

Grip Style

Bit-Holding Mechanism

Magnetic Quick-Change Chuck

Magnetic Twist Lock

Quick-Change Chuck

Socket Style

Performance

Changeable Shaft

Corrosion Resistant

Electrical Insulating

Extra-Strong Grip

Fastener Holding

Precise Control

Hex Shank Size

Manufacturer

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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

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1,628 Products

Fastening and Joining

Screwdrivers

Tighten and loosen screws

Bit Adapters

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Impact Drivers

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

L-Key Handles

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

Driver Extension Adapters

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

Impact Driver Chucks

Impact Driver Chucks

Transform your impact driver into a high-torque cutting tool

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

Switch between sockets and bits to turn a variety of fasteners with a single tool

Bit Sockets

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

Socket Drivers

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

Socket Bits

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

Impact Wrenches

Impact Wrenches

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

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

Fabricating and Machining

Countersinks

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

Drills

Cut holes and drive screws with cordless, electric, air-powered, and manual drills

Drill/Screwdriver Bits

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

Drill Chucks

Connect drill bits to hand-held drills, drill presses, and milling machines

Electrical Power, Networking, and Controlling

Wire Splice Screwdrivers

Wire Splice Screwdrivers

Install twist-on wire splices

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