Extension Drills | McMaster-Carr

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Drill Bit Sizes Included

192 Products

Drill Bit Extensions

Extensions for Hex-Shank Drill Bits

Expand the reach of hex-shank drill bits

8 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 Round-Shank Drill Bits

Expand the reach of round-shank drill bits

107 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

66 products

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

1 product

Hole Saw Arbor Extensions

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

2 products

Drill Head Adapters

Adjust the cutting angle of your drill to get into recessed and hard-to-reach spots

2 products