Mine shaft drill
Else clues• Boring tool
• Circular drill
• Drill that cuts circles
• It's a bore
• Large boring tool
• Machine tool
• Mine shaft borer
• Mine shaft tool
• Mining tool
• Rock-boring 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