Core Drill Bits | McMaster-Carr

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1,016 Products

Fabricating and Machining

Drill Bits

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

Hollow-Core Cutters

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

Drill Rig Thread Adapters

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

Drill Bit Extensions

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

Hole Saws

Connect to a drill or drill press to make circular cuts

Hollow-Core Cutter Arbor Adapters

Hollow-Core Cutter Arbor Adapters

Modify hollow-core cutters to fit larger arbors on drill presses and milling machines

Hole Saw Pilots

Hole Saw Pilots

Center your hole saw when enlarging existing holes

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