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

Drive Size

Hex Shank Size

Length

1 1/4" to 1 3/8"

For Bit Hex Shank Size

For Bit Shank Type

Quick-Change Hex

Drive Type

Sold As

Bit-Holding Mechanism

Magnetic Quick-Change Chuck

Magnetic Twist Lock

Quick-Change Chuck

Material

Aluminum Bronze

Stainless Steel

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

For Use With

Bit Screwdrivers

Drills and Powered Screwdrivers

Impact Wrenches

Ratchet Wrenches

Socket Retainer Style

Square Drive Gender

Number of Pieces

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

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Driver Style

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587 Products

Bit Adapters

Bit Adapters

Connect a variety of bits to drills and powered screwdrivers

Strong-Hold Bit Adapters

Strong-Hold Bit Adapters

Lock your bit into the adapter to prevent accidental disengagement

Bit Adapters for Bit Screwdrivers

Bit Adapters for Bit Screwdrivers

Connect a variety of bits to bit screwdrivers

Bit Adapters for Ratchet Wrenches

Bit Adapters for Ratchet Wrenches

Connect a variety of bits to ratchet wrenches

Tight-Clearance Bit Adapters

Tight-Clearance Bit Adapters

Head is angled 90° to drive fasteners in tight spaces

Bit Adapters for Impact Drivers

Bit Adapters for Impact Drivers

Withstand the high torque of impact drivers

Strong-Hold Bit Adapters for Ratchet Wrenches

Strong-Hold Bit Adapters for Ratchet Wrenches

Lock your bit into the adapter to prevent disengagement from the ratchet wrench

Screw-Holding Bit Adapters

Screw-Holding Bit Adapters

A magnetic ring holds flat-head screws in place

Bit Adapters for Impact Wrenches

Bit Adapters for Impact Wrenches

Fit the square drive of impact wrenches while withstanding high torque

Screw-Guiding Bit Adapters

Screw-Guiding Bit Adapters

Keep bits from slipping—the sleeve retracts as the screw is driven

Flexible Bit Adapters

Flexible Bit Adapters

Bend up to 90° to access hard-to-reach fasteners

Torque-Measuring Bit Adapters

Torque-Measuring Bit Adapters

Fasten to a specific torque and eliminate the need for multiple bulky tools

Bit Adapters for Rotary Hammers

Bit Adapters for Rotary Hammers

Connect a variety of bits to rotary hammers

Other Products

Socket Adapters

Socket Adapters

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

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

Driver Extension Adapters

Driver Extension Adapters

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

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