Bit Adapters | McMaster-Carr

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Shank Type

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For Bit Hex Shank Size

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Hex Shank-to-Square Drive Adapter

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Spline Drive-to-Square Drive Adapter

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Torque-and-Angle Measuring Adapter

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For Bit Shank Type

Bit-Holding Mechanism

Ball Detent

Magnet

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Drive Size

Material

For Use With

Drills and Powered Screwdrivers

Handheld Power Drills

Sold As

Socket Retainer Style

Square Drive Gender

Length

Socket Shape

For Drill Bit Shank Type

Drive Type

Finish

Magnesium Phosphate Coated

Tip Style

Export Control Classification Number (ECCN)

REACH

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DFARS Specialty Metals

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722 Products

Fastening and Joining

Bit Adapters

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

66 products

Screwdriver Bits

Pair with drivers to turn screws

21 products

Socket Adapters

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

200 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

184 products

Sockets

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

24 products

Socket Bits

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

37 products

Fabricating and Machining

Drill Bit Shank Adapters

Convert your power tool to fit different drill bit sizes or shank types

21 products

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

121 products

Drill/Screwdriver Bits

Quickly change between drilling countersunk holes and driving screws

6 products

Hole Saw Arbor Extensions

Reach your hole saw into spots where your drill is too big to fit

2 products

Polisher Arbor Extensions

Lengthen your polisher's reach to access deep grooves and tight spots

1 product