TREPAN

Rock-boring tool

• Boring tool

• Circular drill

• Drill that cuts circles

• It's a bore

• Large boring tool

• Machine tool

• Mine shaft borer

• Mine shaft drill

• Mine shaft tool

• Mining tool

• Shaft-boring tool

• Surgeon's tool

• Tool used in boring mines

• A surgical instrument used to remove sections of bone from the skull

• A drill for cutting circular holes around a center