Allen Screwdriver Bits | McMaster-Carr

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Drive Style

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Tamper-Resistant Hex

Tamper-Resistant Torx

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Knurled-End Hex

Quick-Change Hex

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Overall Length

15/16" to 1 1/8"

1 1/4" to 1 3/8"

1 3/8" to 1 5/8"

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For Bit Shank Type

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Stainless Steel

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Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

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DFARS Specialty Metals

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1,269 Products

Fastening and Joining

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Driver Shafts

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

Bit Adapters

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

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

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