Impact Screwdriver Bits | McMaster-Carr

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System of Measurement

Drive Size

Square Drive Size

Bolt Clearance Type

Drive Style

External 8-Point

External 12-Point

External Pentagon

External Square

Tamper-Resistant Torx

Socket Shape

Overall Length

31/32" to 3 1/16"

Drive Type

OD

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Socket Style

Socket Type

Air Hammer Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Secure-Hold Extension

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-Limiting Adapter

Finish

Magnesium Phosphate Coated

Phosphate Coated

Zinc Phosphate Coated

Shank Type

Quick-Change Hex

Length

31/32" to 3 1/16"

Material

Aluminum Bronze

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Number of Pieces

Nut Clearance Depth

Bolt Clearance Depth

Hex Shank Size

Screw Size

For Bit Shank Type

Quick-Change Hex

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1,594 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

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

Socket Adapters

Socket Adapters

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Sockets

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

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