Drill Bit Extensions | McMaster-Carr

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For Drill Bit Shank Type

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For Drill Bit Size Decimal Equivalent

REACH

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EAR99

DFARS Specialty Metals

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Bit-Holding Mechanism

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Drills and Powered Screwdrivers

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For Arbor Shank Size

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237 Products

Drill Bit Extensions

Extensions for Hex-Shank Drill Bits

Expand the reach of hex-shank drill bits

8 products

Extensions for Round-Shank Drill Bits

Expand the reach of round-shank drill bits

107 products

Extensions for Quick-Change Hex-Shank Drill Bits

A quick-change mechanism allows for fast bit changes

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 SDS-plus-Shank Drill Bits

Compatible with SDS-Plus rotary hammers

2 products

Other Products

Bit Adapters

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

39 products

Hole Saw Arbor Extensions

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

2 products

Screwdrivers

Tighten and loosen screws

1 product

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

74 products