Screwdriver Bit Adapters | McMaster-Carr

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System of Measurement

Square Drive Size

Overall Length

1 1/4" to 1 3/8"

Socket Type

Air Hammer Adapter

Dual-Drive Socket Adapter

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Ratchet Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Shank Type

Knurled-End Hex

Quick-Change Hex

Drive Style

Drilled Spanner

Tamper-Resistant Hex

Tamper-Resistant Torx

Hex Shank Size

Drive Size

For Bit Hex Shank Size

For Bit Shank Type

Quick-Change Hex

Bit-Holding Mechanism

Magnetic Quick-Change Chuck

Magnetic Twist Lock

Quick-Change Chuck

Sold As

Drive Type

Material

Aluminum Bronze

Stainless Steel

Finish

Magnesium Phosphate Coated

For Use With

Bit Screwdrivers

Drills and Powered Screwdrivers

Impact Wrenches

Ratchet Wrenches

Socket Retainer Style

Square Drive Gender

Number of Pieces

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Container Type

Metal Clip Rail

Plastic Clip Rail

Length

1 1/4" to 1 3/8"

Screw Size

How can we improve?

545 Products

Fastening and Joining

Bit Adapters

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Socket Adapters

Socket Adapters

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

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.)