Drill Extensions | McMaster-Carr

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Shank Size

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For Drill Bit Size Decimal Equivalent

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Material

For Bit Shank Type

REACH

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

For Arbor Shank Size

3/8"

7/16"

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

Yes

For Bit Hex Shank Size

RoHS

For Drill Bit System of Measurement

Hex Shank Size

Bit-Holding Mechanism

Ball Detent

Magnet

Magnetic Quick-Change Chuck

For Use With

Drills and Powered Screwdrivers

Handheld Power Drills

Square Drive Size

Performance

Maximum Torque

188 Products

Drill Bit Extensions

Extensions for Round-Shank Drill Bits

Expand the reach of round-shank drill bits

107 products

Extensions for Hex-Shank Drill Bits

Expand the reach of hex-shank drill bits

8 products

Extensions for SDS-plus-Shank Drill Bits

Compatible with SDS-Plus rotary hammers

2 products

Adjustable-Length Extensions for Quick-Change Hex-Shank Drill Bits

Slide and lock the quick-release coupling to adjust your length
A quick-change mechanism allows for fast bit changes

2 products

Extensions for Quick-Change Hex-Shank Drill Bits

A quick-change mechanism allows for fast bit changes

2 products

Other Products

Hole Saw Arbor Extensions

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

2 products

Bit Adapters

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

65 products